@book{2002-heydon
,note={URL: {\tt ftp://gatekeeper.research.compaq.com/pub/DEC/SRC/research-reports/SRC-177.pdf}. Note: Research Report 177 and see also newer version $0}
,title={{The Vesta software configuration management system}}
,booktitle={{The Vesta software configuration management system}}
,author={Allan Heydon and Roy Levin and Timothy Mann and Yuan Yu}
,publisher={Compaq Systems Research Center}
,year={2002}
}