000
00292nam a2200121Ia 4500
008
190711s9999 xx 000 0 und d
082
_a
512 S131
100
_a
SAHNI,S
245
0
_a
CONCEPTS IN DESCRETE MATHEMATICS
260
_a
NEW DELHI
_b
Narosa
_c
1987
300
_a
24X16
942
_c
BK
_2
DDC
999
_c
21182
_d
21182