000
00263nam a22001217a 4500
999
_c
2628
_d
2628
082
_a
510
100
_a
Grimaldi, Ralph P
245
_a
Discrete and Combinatorial Mathematics
250
_a
4th
260
_a
USA
_b
Mc Graw Hill
_c
1999
300
_a
456
942
_c
BK