000
00251nam a2200109Ia 4500
999
_c
17506
_d
17506
020
_a
0023609001
100
_a
Richard Johnsonbaugh
245
_a
Discrete Mathematics
260
_c
1984
_b
MACMILLAN PUB; CO.
_a
New York
300
_a
xi+436
942
_c
REF