db/conf/ht/Whitehead97.html E. James Whitehead Jr. An Architectural Model for Application Integration in Open Hypermedia Environments. 1-12 HT1997/P001.pdf 1997 conf/ht/97 Hypertext db/conf/ht/ht97.html#Whitehead97 http://doi.acm.org/10.1145/267437.267438