000 00267nam a22001217a 4500
041 _aENG
100 _aNair .N.G
245 _aOperations Research
260 _aNew Delhi
_bDhanpat Rai Publications
_c1994
300 _a772
650 _aSWCE
856 _uSWCE ( 24 )
999 _c1848
_d1848