USAGE: generating interactive application programs from grammatical descriptions. - Olivier P. Bertrand; Jean-Jacques Daudenarde (Data Base, 1980)

JANUS: An Interactive Document Formatter Based on Declarative Tags. - Donald D. Chamberlin; Olivier P. Bertrand; Michael J. Goodfellow; James C. King; Donald R. Slutz; Stephen Todd; Bradford W. Wade (IBM Syst. J., 1982)