000 00290pam a2200121 a 4500
020 _c
041 _aeng
100 _aWillis, W.D.
245 _aA Begineer`S Guide To Discrete Mathematics
_hTextual Documents
260 _aNew Delhi :
_bSpringer,
_c2008.
300 _a367 pg.
930 _a8941
999 _c85847
_d85847