@inproceedings{DBLP:conf/arith/GarnerFH72,
  author    = {Harvey L. Garner and
               Norman Foo and
               Lo Hsieh},
  title     = {Groupoids and computer arithmetic},
  booktitle = {IEEE Symposium on Computer Arithmetic},
  year      = {1972},
  pages     = {1-14},
  ee        = {http://dx.doi.org/10.1109/ARITH.1972.6153886},
  crossref  = {DBLP:conf/arith/1972},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/arith/1972,
  title     = {2nd IEEE Symposium on Computer Arithmetic, ARITH 1972, College
               Park, MD, USA, May 15-16, 1972},
  booktitle = {IEEE Symposium on Computer Arithmetic},
  publisher = {IEEE},
  year      = {1972},
  ee        = {http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6148543},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}