000
00305nam a2200145Ia 4500
008
220421s9999||||xx |||||||||||||| ||und||
020
_c
460
040
_a
ET
100
_a
FREDERICK S.
245
0
_a
OPERATION RESEARCH
260
_b
TMGH PCL
_a
DELHI
300
_a
1061
500
_a
12211
942
_c
BK
999
_c
18531
_d
18531