000 00536nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a658.57
_bC289(223)
100 _aSethi S P
245 _aSimultaneous optimization of preventive maintenance and replacement policy for machines
_ba modern control theory approach
260 _aPittsburgh
_bCIT
_c1970
440 _aCarnegieInstitute Technology: Management Science Research Report; NO. 223
650 _aControl theory
942 _cBK
999 _c92902
_d92902