Reference

ethnographic
@incollection{ethnographic,
 author = {Blomberg, Jeanette and Burrell, Mark and Guest, Greg},
 chapter = {An ethnographic approach to design},
 title = {The human-computer interaction handbook},
 editor = {Jacko, Julie A. and Sears, Andrew},
 year = {2003},
 isbn = {0-8058-3838-4},
 pages = {964--986},
 numpages = {23},
 url = {http://dl.acm.org/citation.cfm?id=772072.772133},
 acmid = {772133},
 publisher = {L. Erlbaum Associates Inc.},
 address = {Hillsdale, NJ, USA},
}