Richardson, Joseph E. A Complete Object-Oriented Desing Example / Joseph E. Richardson, Ronald C. Schultz, Edward V. Berard - 2a ed. - Gaithersburg, Maryland : Berard Software Engineering, 1993 - 266 p. ; 28 cm. ISBN: 1881974014 Subjects--Topical Terms: Objetivos orientados- Programación LC Class. No.: QA 76 64 / R52 1993