000 00303pam a2200133 a 4500
020 _c
041 _aeng
100 _aLipschatz S,
_eLipson M.
245 _aDiscrete Methematics
_hTextual Documents
250 _a1997.
260 _aNew Delhi
_bTata McGraw Hill
300 _a16.29 pg .
930 _a6000
999 _c82916
_d82916