000
00289nam a2200121Ia 4500
008
180721s9999 xx 000 0 und d
100
_a
"Pramkumar Gupta & Hira, D.S."
245
0
_a
Operation Research
260
_b
S.Chand & Company
260
_c
2007
365
_b
425.00
942
_c
BK
999
_c
142340
_d
142340