000 00320nam a2200109Ia 4500
008 180926s1980 xx 000 0 und d
100 _aLevy Leon,S
245 _aDiscrete Structures of computer science
260 _bWILEY INDIA PVT LTD
_c1980
300 _a310
500 _acomputer ; Discrete ; of ; science ; Structures
999 _c334678
_d334678