@inproceedings{Nipkow-TPHOLs98,author={Tobias Nipkow},
title={Verified Lexical Analysis},
booktitle={Theorem Proving in Higher Order Logics},
editor={J. Grundy and M. Newey},
publisher=Springer,series=LNCS,volume={1479},pages={1--15},year=1998,
note={\url{http://www4.informatik.tu-muenchen.de/~nipkow/pubs/tphols98.html}}}