Adding concurrency to a statically type-safe object-oriented programming language. - Peter A. Buhr; Glen Ditchfield; C. Robert Zarnke (OOPSLA/ECOOP Workshop on Object-based Concurrent Programming, 1988)

Basic Abstractions for a Database Programming Language. - Peter A. Buhr; Glen Ditchfield; C. Robert Zarnke (DBPL, 1989)

Concurrency in the Object-oriented Language C++. - Peter A. Buhr; Glen Ditchfield; Richard A. Stroobosscher; B. M. Younger; C. Robert Zarnke (Softw. Pract. Exp., 1992)