UngarCCH91'

@article{DBLP:journals/lisp/UngarCCH91,
  author    = {Craig Chambers and
               David Ungar and
               Bay-Wei Chang and
               Urs H{\"o}lzle},
  title     = {Organizing Programs Without Classes},
  journal   = {Lisp and Symbolic Computation},
  volume    = {4},
  number    = {3},
  year      = {1991},
  pages     = {223-242},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}