ERROR!!! \page 197--216 @inproceedings{1988-reps ,note={URL: {\tt http://grosskurth.ca/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1988/\allowbreak reps}} ,author={Thomas Reps and Susan Horowitz and Jan Prins} ,crossref={1988-winkler-book} ,title={{Support for integrating program variants in an environment for programming in the large}} ,year={1988} }