000 00330nam a2200133Ia 4500
008 210210b1990 xxu||||| |||| 00| 0 eng d
082 _a001.64 LEVD
100 _aLEVY (Leon S).
245 _aDiscrete structures of computer science.
260 _aMadras
_b
_c1990
300 _a310
690 _aComputer Science
906 _a045877
999 _c95091
_d95091