Federico Cabitza Carla Simone "...and do it the usual way": fostering awareness of work conventions in document-mediated collaboration. 119-138 2007 ECSCW http://www.ecscw.org/2007/07%20Paper%2077%20Cabitza%20&%20Simone.pdf conf/ecscw/2007 db/conf/ecscw/ecscw2007.html#CabitzaS07