PANGLYZER: Spanish Language Analysis System. - David Farwell; Stephen Helmreich; Wanying Jin; Mark Casper; Jim Hargrave; Hugo Molina-Salgado; Fuliang Weng (AMTA, 1994)

An Open Distributed Architecture for Reuse and Integration of Heterogeneous NLP Components. - Rémi Zajac; Mark Casper; Nigel Sharples (ANLP, 1997)