PROCOL - A Parallel Object Language with Protocols. - Jan van den Bos; Chris Laffra (OOPSLA, 1989)

Project DIGIS Building Interactive Applications by Direct Manipulation. - Jan van den Bos; Chris Laffra (Comput. Graph. Forum, 1990)

Constraints in concurrent object-oriented environment. - Chris Laffra; Jan van den Bos (OOPSLA/ECOOP Workshop on Object-based Concurrent Programming, 1990)

Propagators and concurrent constraints. - Chris Laffra; Jan van den Bos (OOPSLA/ECOOP Workshop on Object-based Concurrent Programming, 1990)

PROCOL: A Concurrent Object-Oriented Language with Protocols Delegation and Constraints. - Jan van den Bos; Chris Laffra (Acta Informatica, 1991)

PhD research in object-oriented systems. - Guus J. Ramackers; Chris Laffra (OOPS Messenger, 1992)

Advanced techniques for understanding, profiling, and debugging object oriented systems. - Chris Laffra; Ashok Malhotra; Vicki de Mey (OOPSLA Addendum, 1993)

HotWire - A Visual Debugger for C++. - Chris Laffra; Ashok Malhotra (C++ Conference, 1994)

Workshop 22: OO technology in large financial institutions. - Chris Laffra (OOPSLA Addendum, 1995)

Practical Experience with an Application Extractor for Java. - Frank Tip; Chris Laffra; Peter F. Sweeney; David Streeter (OOPSLA, 1999)

Practical extraction techniques for Java. - Frank Tip; Peter F. Sweeney; Chris Laffra; Aldo Eisma; David Streeter (ACM Trans. Program. Lang. Syst., 2002)

Visualizing and AspectJ-enabling eclipse plugins using bytecode instrumentation. - Chris Laffra; Martin Lippert (OOPSLA Companion, 2003)

Extracting library-based Java applications. - Frank Tip; Peter F. Sweeney; Chris Laffra (Commun. ACM, 2003)