000 00274nam a2200121Ia 4500
008 160710s1985 xx 000 0 und d
082 _a519.5 GOE
100 _aGOEL
245 _aOPERATIONAL RESEARCH
260 _bPRAGATI PRAKSHAN
_c1985
300 _a678
942 _2ddc
_cB
999 _c46169
_d46169