@proceedings{DBLP:conf/pts/1991,
  editor    = {Jan Kroon and
               Rudolf Jan Heijink and
               Ed Brinksma},
  title     = {Protocol Test Systems, IV, Proceedings of the IFIP TC6/WG6.1
               Fourth International Workshop on Protocol Test Systems,
               Leidschendam, The Netherlands, 15-17 October, 1991},
  booktitle = {Protocol Test Systems},
  publisher = {North-Holland},
  series    = {IFIP Transactions},
  volume    = {C-3},
  year      = {1992},
  isbn      = {0-444-89517-5},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}