000 00379nam a2200181 4500
020 _a
_c45
082 _a001.424 POT
100 _aPotti, L R
245 _aOperations research
_cPotti, L R
250 _a
260 _aYamuna Publications: Tvpm
_c1991
300 _a
490 _a
500 _adamaged
590 _a
_b
650 _aOperations research
942 _cBK
999 _c566146
_d566146