Justin Olmanson Steven Greenstein Aaron Smith Curtis Brewer Designing distributed biography: co-constructing a polyphonic application on borrowed time. 21-25 2007 SIGDOC http://doi.acm.org/10.1145/1297144.1297150 conf/sigdoc/2007 db/conf/sigdoc/sigdoc2007.html#OlmansonGSB07