Interactive Natural Language Problem Solving: A Pragmatic Approach. - Alan W. Biermann; Robert D. Rodman; Bruce W. Ballard; T. Betancourt; Griff L. Bilbro; Harriet Haynsworth Deas; Linda Fineman; Pamela E. Fink; Kermit C. Gilbert; Duncan Gregory; J. Francis Heidlage (ANLP, 1983)

Natural Language with Discrete Speech as a Mode for Human-to-Machine Communication. - Alan W. Biermann; Robert D. Rodman; David C. Rubin; J. Francis Heidlage (Commun. ACM, 1985)

A Voice- and Touch-Driven Natural Language Editor and its Performance. - Alan W. Biermann; Linda Fineman; J. Francis Heidlage (Int. J. Man Mach. Stud., 1992)