00000nam a2200000 a 4500 20251203111105.0 007043476X 511 LIU Liu, C.L Elements of Discrete Mathematics 2nd Edn. New Delhi Tata McGraw-Hill Publishing Company Ltd., 1985 - R 2007 xiv, 433p. 22 cm PB Discrete mathematics _ 136711 LIBSC C 113548 113548 0 0 0 0 PU PU 2009-02-13 159.20 0 511 LIU 136711 BK