000
00281nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Sharma
245
0
_a
Operations researach theory and applications
260
_b
Macmillan
260
_c
1997
365
_b
298
942
_c
BK
999
_c
220065
_d
220065