@Misc{X,
  author =       "Paulo Flores",
  title =        "X - old but not valid reference",
  month =        "JAN",
  year =         2015
}

%Venkatesan-ICCAD11,
@InProceedings{r01,
  author =       "R. Venkatesan and A. Agarwal and K. Roy and A. Raghunathan",
  booktitle =    "IEEE/ACM International Conference on Computer-Aided Design
                  (ICCAD)",
  title =        "MACACO: Modeling and analysis of circuits for approximate
                  computing",
  year =         2011,
  month =        "Nov",
  pages =        "667-673",
  doi =          "10.1109/ICCAD.2011.6105401",
  issn =         "1092-3152"
}

%Schaffner-DAC14,
@InProceedings{r02,
  author =       "M. Schaffner and F.K. Gurkaynak and A. Smolic and H.
                  Kaeslin and L. Benini",
  booktitle =    "ACM/EDAC/IEEE Design Automation Conference (DAC)",
  title =        "An approximate computing technique for reducing the
                  complexity of a direct-solver for sparse linear systems in
                  real-time video processing",
  year =         2014,
  month =        "June",
  pages =        "1-6",
  doi =          "10.1145/2593069.2593082"
}

 %Kulkarni-VLSID11,
@InProceedings{r03,
  author =       "P. Kulkarni and P. Gupta and M. Ercegovac",
  booktitle =    "24th International Conference on VLSI Design (VLSI Design)",
  title =        "Trading Accuracy for Power with an Underdesigned Multiplier
                  Architecture",
  year =         2011,
  month =        "Jan",
  pages =        "346-351",
  doi =          "10.1109/VLSID.2011.51",
  issn =         "1063-9667"
}

%Palem-TECS13,
@Article{r04,
  author =       "Krishna Palem and Avinash Lingamneni",
  title =        "Ten Years of Building Broken Chips: The Physics and
                  Engineering of Inexact Computing",
  journal =      "ACM Trans. Embed. Comput. Syst.",
  issue_date =   "May 2013",
  volume =       12,
  number =       "2s",
  month =        may,
  year =         2013,
  issn =         "1539-9087",
  pages =        "87:1--87:23",
  articleno =    87,
  numpages =     23,
  doi =          "10.1145/2465787.2465789",
  acmid =        2465789,
  publisher =    "ACM"
}


%Nawab-JVLSISPS97,
@Article{r05,
  author =       "S. Hamid Nawab and Alan V. Oppenheim and Anantha P.
                  Chandrakasan and Joseph M. Winograd and Jeffrey T. Ludwig ",
  title =        "Approximate Signal Processing",
  journal =      "J. VLSI Signal Process. Syst.",
  issue_date =   "Jan. 1997",
  volume =       15,
  number =       "1/2",
  month =        jan,
  year =         1997,
  issn =         "0922-5773",
  pages =        "177-200",
  numpages =     24,
  doi =          "10.1023/A:1007986707921",
  acmid =        258257,
  publisher =    "Kluwer Academic Publishers",
  address =      "Hingham, MA, USA"
}

%Han-ETS13,
@InProceedings{r06,
  author =       "Jie Han and M. Orshansky",
  booktitle =    "18th IEEE European Test Symposium (ETS)",
  title =        "Approximate computing: An emerging paradigm for
                  energy-efficient design",
  year =         2013,
  month =        "May",
  pages =        "1-6",
  doi =          "10.1109/ETS.2013.6569370"
}

%Lamoureux-TSP93,
@Article{r07,
  author =       "M. P. Lamoureux ",
  journal =      "IEEE Transactions on Signal Processing",
  title =        "The poorman's transform: approximating the Fourier
                  transform without multiplication",
  year =         1993,
  month =        "Mar",
  volume =       41,
  number =       3,
  pages =        "1413-1415",
  doi =          "10.1109/78.205744",
  issn =         "1053-587X"
}

%Alaghi-TECS13,
@Article{r08,
  author =       "Armin Alaghi and John P. Hayes",
  title =        "Survey of Stochastic Computing",
  journal =      "ACM Trans. Embed. Comput. Syst.",
  issue_date =   "May 2013",
  volume =       12,
  number =       "2s",
  month =        may,
  year =         2013,
  issn =         "1539-9087",
  pages =        "92:1--92:19",
  articleno =    92,
  numpages =     19,
  doi =          "10.1145/2465787.2465794"
}


%Merhav-TIM99,
@Article{r09,
  author =       "Neri Merhav",
  journal =      "IEEE Transactions on Image Processing",
  title =        "Multiplication-free approximate algorithms for
                  compressed-domain linear operations on images",
  year =         1999,
  month =        "Feb",
  volume =       8,
  number =       2,
  pages =        "247-254",
  doi =          "10.1109/83.743858",
  issn =         "1057-7149"
}


%Hegde-ISLPED99,
@InProceedings{r10,
  author =       "R. Hegde and N.R. Shanbhag",
  booktitle =    "International Symposium on Low Power Electronics and
                  Design",
  title =        "Energy-efficient signal processing via algorithmic
                  noise-tolerance",
  year =         1999,
  month =        "Aug",
  pages =        "30-35"
}




%Palem-TC05,
@Article{r11,
  author =       "K.V. Palem",
  journal =      "IEEE Transactions on Computers",
  title =        "Energy aware computing through probabilistic switching: a
                  study of limits",
  year =         2005,
  month =        "Sept",
  volume =       54,
  number =       9,
  pages =        "1123-1137",
  doi =          "10.1109/TC.2005.145",
  issn =         "0018-9340"
}


%Gupta-TCAD13,
@Article{r12,
  author =       "V. Gupta and D. Mohapatra and A. Raghunathan and K. Roy",
  journal =      "IEEE Transactions on Computer-Aided Design of Integrated
                  Circuits and Systems (TCAD)",
  title =        "Low-Power Digital Signal Processing Using Approximate
                  Adders",
  year =         2013,
  month =        "Jan",
  volume =       32,
  number =       1,
  pages =        "124-137",
  doi =          "10.1109/TCAD.2012.2217962",
  issn =         "0278-0070"
}


%Zhu-TVLSI10,
@Article{r13,
  author =       "Ning Zhu and Wang Ling Goh and Weija Zhang and Kiat Seng
                  Yeo and Zhi Hui Kong",
  journal =      "IEEE Transactions on Very Large Scale Integration (VLSI)
                  Systems",
  title =        "Design of Low-Power High-Speed Truncation-Error-Tolerant
                  Adder and Its Application in Digital Signal Processing",
  year =         2010,
  month =        "Aug",
  volume =       18,
  number =       8,
  pages =        "1225-1229",
  doi =          "10.1109/TVLSI.2009.2020591",
  issn =         "1063-8210"
}


%Venkataramani-DAC12,
@InProceedings{r14,
  author =       "S. Venkataramani and A. Sabne and V. Kozhikkottu and K. Roy
                  and A. Raghunathan.",
  booktitle =    "49th ACM/EDAC/IEEE Design Automation Conference (DAC)",
  title =        "SALSA: Systematic logic synthesis of approximate circuits",
  year =         2012,
  month =        "June",
  pages =        "796-801",
  issn =         "0738-100X"
}

% EduardoCosta_1_2007,
@Article{r15,
  author =       "Eduardo Costa and J. Monteiro and S. Bampi",
  title =        "{A} New Regular Array Architecture for Signed
                  Radix-2{\textasciicircum}m Multiplication",
  journal =      "Integration: the VLSI Journal",
  volume =       40,
  pages =        "118-132",
  publisher =    "Elsevier Science Publishers",
  number =       2,
  year =         2007,
  month =        jan,
  bibtexorigem = "3613 www.Inesc-ID.pt 2015-01-27"
}

%Park-DAC01,
@InProceedings{r16,
  author =       "In-Cheol Park and Hyeong-Ju Kang",
  title =        "Digital Filter Synthesis Based on Minimal Signed Digit
                  Representation",
  booktitle =    "Proceedings of the 38th Annual Design Automation
                  Conference",
  series =       "DAC '01",
  year =         2001,
  isbn =         "1-58113-297-2",
  pages =        "468-473",
  numpages =     6,
  doi =          "10.1145/378239.378564",
  acmid =        378564,
  publisher =    "ACM"
}


%Voronenko-TA07,
@Article{r17,
  author =       "Yevgen Voronenko and Markus Puschel ",
  title =        "Multiplierless Multiple Constant Multiplication",
  journal =      "ACM Trans. Algorithms",
  issue_date =   "May 2007",
  volume =       3,
  number =       2,
  month =        may,
  year =         2007,
  issn =         "1549-6325",
  articleno =    11,
  doi =          "10.1145/1240233.1240234"
}

%Oudjida-TCSeb15,
@Article{r18,
  author =       "A. Oudjida and N. Chaillet and M. Berrandjia",
  journal =      "IEEE Transactions on Circuits and Systems II: Express
                  Briefs",
  title =        "Radix-2r Arithmetic for Multiplication by a Constant:
                  Further Results and Improvements",
  year =         2015,
  volume =       "PP",
  number =       99,
  pages =        "1-1",
  doi =          "10.1109/TCSII.2014.2387620",
  issn =         "1549-7747"
}