Detecting Uninitialized Modula-2 Abstract Objects. - Stuart Greenfield; Roger L. Norton (ACM SIGPLAN Notices, 1987)

What does Modular-2 need to fully support object oriented programming? - Joseph Bergin; Stuart Greenfield (ACM SIGPLAN Notices, 1988)

Teaching parameter passing by example using thunks in C and C++. - John Bergin; Stuart Greenfield (SIGCSE, 1993)