@TechReport{R11,
  key    =       {R11},
  author = 	 {Christoph Benzm{\"u}ller},
  title = 	 {Equality and Extensionality in Higher-Order Theorem Proving},
  institution =  {Department of Computer Science, Saarland University},
  type =         {SEKI Report (ISSN 1437-4447)},
  number =       {SR-99-08},
  year = 	 1999,   
  pages =        {1--139},
  chrisnote =	 {R11},
  url =		 {www.ags.uni-sb.de/~chris/papers/R11.pdf}
}