Jagdish Chandra Salvatore T. March Satyen Mukherjee Will Pape Ram Ramesh H. Raghav Rao Ray O. Waddoups Information Systems Frontiers. 71-79 2000 43 Commun. ACM 1 http://doi.acm.org/10.1145/323830.323847 db/journals/cacm/cacm43.html#ChandraMMPRRW00