Data Abstraction Using Modula 2 FISHER John Wiley & Sons Inc | Instructors Manual to Accompany Advanced Programmi Ng and Problem Solving with Modula 2 Schneider John Wiley & Sons Inc |  Programmer en Modula, 2 EUR 45,89 Wirth Presses Polytechniques et Universitaires Romandes (PPUR) | Modula-2 EUR 28,20 Alain-Bernard Fontaine Masson |