000
00299nam a2200121Ia 4500
100
_a
Wiitala, Stephen A.
020
_a
0-07-070169-5
942
_c
BK
245
_a
Discrete mathematics
_b
A unified approach
260
_a
Mcgraw-hill company, New York
_c
1987
082
_a
519.4 Wii
300
_a
xi, 449
999
_c
63291
_d
63291