000 00338pam a2200157a 44500
008 230515b1977 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aN.D.
100 _aRiggs J L
245 _aEngineering Economics
250 _a0
260 _aNULL
_bMcgraw Hill
_c1977
300 _a85
650 _aNULL
999 _c578559
_d578559