@Proceedings{	  dixjansch91,
  title		= {{N}onmonotonic and {I}nductive {L}ogic, {P}roceedings of
		  the first {I}nternational {W}orkshop, {K}arlsruhe,
		  {G}ermany, 1990},
  year		= {1991},
  editor	= {J. Dix and K. P. Jantke and P. H. Schmitt},
  publisher	= {Springer},
  address	= {Berlin},
  series	= {LNAI 543},
  month		= {October}
}