Murali Sitaraman Maggie Davis Premkumar T. Devanbu Jeffrey S. Poulin Alexander Ran Bruce W. Weide Reuse Research: Contributions, Problems and Non-Problems. 178-180 1999 SSR http://doi.acm.org/10.1145/303008.303084 db/conf/ssr/ssr99.html#SitaramanDDPRW99