db/conf/dl/BrewerDHK96.html Allen Brewer Wei Ding Karla Hahn Anita Komlodi The Role of Intermediary Services in Emerging Digital Libraries. 29-35 DL1996/P029.pdf 1996 conf/dl/96 Digital Libraries db/conf/dl/dl96.html#BrewerDHK96 http://doi.acm.org/10.1145/226931.226937