@article{DBLP:journals/sigplan/WinklerK97,
  author    = {J{\"u}rgen F. H. Winkler and
               Stefan Kauer},
  title     = {Proving Assertions is Also Useful},
  journal   = {SIGPLAN Notices},
  volume    = {32},
  number    = {3},
  year      = {1997},
  pages     = {38-41},
  ee        = {http://doi.acm.org/10.1145/251634.251638},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}