ocr: for the MabenkBG interpreter & environment sch Centrdopyngnerdanes, Stichting Mathem by Frank van Dk Timo Krijnen Lambert Meertens Steven Pemberton Guido van Rossum register vtnkeep in touch with ABC developm The ABC Newsletter, CWI-AA, The Netherlands P.O. Box 4079, 1009 AB Amsterdam, even Pebeeaisu: Leo Geurts, Lambert Meertens and S ntice Hall, The ABC Programmer's Handbook, Pre ISBN 0130002/-ZEngyewood Cliffs, New Jersey, 1989