00547pamaa2200169 4500 0000016448 20091012090000.0 0201624303 005.133 MAD QA76.64 MAD 1993 MADSEN Object-oriented programming in the BETA programming language Ole Lehrmann Madsen, B. Moller-Pedersen, K. Nygaard. England: Addison-Wesley, 1993. xiv, 257p.; 23cm. Object-oriented programming (Computer science) Moller-Pedersen, B. Nygaard, K.