@Article{	  dixmak92,
  author	= {J\"{u}rgen Dix and David Makinson},
  title		= {{T}he {R}elationship between {K}{L}{M} and {M}{A}{K}
		  models for {N}onmonotonic {I}nference {O}perations},
  journal	= {Journal of Logic, Language and Information},
  year		= {1992},
  volume	= {1},
  number	= {2},
  pages		= {131--140}
}