@inproceedings{DBLP:conf/tphol/Wenzel99,
  author    = {Markus Wenzel},
  title     = {Isar - A Generic Interpretative Approach to Readable Formal
               Proof Documents},
  booktitle = {TPHOLs},
  year      = {1999},
  pages     = {167-184},
  ee        = {http://dx.doi.org/10.1007/3-540-48256-3_12},
  crossref  = {DBLP:conf/tphol/1999},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/tphol/1999,
  editor    = {Yves Bertot and
               Gilles Dowek and
               Andr{\'e} Hirschowitz and
               C. Paulin and
               Laurent Th{\'e}ry},
  title     = {Theorem Proving in Higher Order Logics, 12th International
               Conference, TPHOLs'99, Nice, France, September, 1999, Proceedings},
  booktitle = {TPHOLs},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {1690},
  year      = {1999},
  isbn      = {3-540-66463-7},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}