R. Duff

Ada 2005 Reference Manual. Language and Standard Libraries - International Standard ISO/IEC 8652/1995 (E) with Technical Corrigendum 1 and Amendment 1

Erhard Plödereder, S. Tucker Taft, Pascal Leroy, 2007, Lecture Notes in Computer Science.

Ada 95 Reference Manual

S. Tucker Taft, Robert A. Duff, S. Taft, 1995, Lecture Notes in Computer Science.

Good and Evil. An Absolute Conception

R. Duff, 2009 .

Rule-Violations and Wrongdoings

R. Duff, 2002 .

Introduction : Crime and citizenship

R. Duff, R. A. Duff, 2005 .

Intentions Legal and Philosophical

R. Duff, 1989 .

Information technology — Programming Languages — Ada

S. Tucker Taft, Robert A. Duff, Randall L. Brukardt, 2001 .