000 00385nam a22001457a 4500
999 _c12629
_d12629
008 210210b ||||| |||| 00| 0 eng d
082 0 0 _a658.15
_bG9775
100 _91999
_aGupta, R. S.
245 1 0 _aPlant economics
_cby R. S. Gupta
260 _aNew Delhi:
_bNational Productivity Council
_c1972
300 _a54p.
365 _d7.50
650 0 _aEngineering economy
942 _cBK