000 00261nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aBISWAL (PURNA CHANDRA)
245 0 _aOPTIMIZATION IN ENGINEERING
250 _a2
260 _bSCIENTIFIC
942 _2ddc
_cBTECH
999 _c6633
_d6633