@string{LNCS="Lect.\ Notes in Comp.\ Sci."}
@string{Springer="Springer-Verlag"}
@book{LNCS2283,author={Tobias Nipkow and Lawrence Paulson and Markus Wenzel},
title="Isabelle/HOL --- A Proof Assistant for Higher-Order Logic",
publisher=Springer,series=LNCS,volume=2283,year=2002,
note={\url{http://www.in.tum.de/~nipkow/LNCS2283/}}}
@manual{Isar-Ref-Man,author="Markus Wenzel",
title="The Isabelle/Isar Reference Manual",
organization={Technische Universit{\"a}t M{\"u}nchen},year=2002,
note={\url{http://isabelle.in.tum.de/dist/Isabelle2002/doc/isar-ref.pdf}}}
@phdthesis{Wenzel-PhD,author={Markus Wenzel},title={Isabelle/Isar --- A
Versatile Environment for Human-Readable Formal Proof Documents},
school={Institut f{\"u}r Informatik, Technische Universit{\"a}t M{\"u}nchen},
year=2002,
note={\url{http://tumb1.biblio.tu-muenchen.de/publ/diss/in/2002/wenzel.html}}}