Fournier, Roger. Practical guide to structured system development and maintenance / Roger Fournier. [Books]. - Englewood Cliffs, New Jersey Yourdon Press/ Prentice-Hall 1991 ISBN: 0-13-679671-0 0.00 Subjects--Personal Names: Electronic data processing - Structured techniquesSoftware engineering Dewey Class. No.: QA/76.758 / FOU