000
00280nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Charkrabarthy
245
0
_a
Elements of discrete mathematics
260
_b
Allied pub
260
_c
1976
365
_b
20.00
942
_c
BK
999
_c
207462
_d
207462