James Howison Andrea Wiggins Kevin Crowston 405-411 2008 OSS https://doi.org/10.1007/978-0-387-09684-1_39 http://dl.ifip.org/db/conf/oss/oss2008/HowisonWC08.pdf https://www.wikidata.org/entity/Q56742130 conf/oss/2008 db/conf/oss/oss2008.html#HowisonWC08