000 002680000a22001210004500
008 160428b1942 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a620
_bB8
942 _cBK
100 _aBullinger, C.E.
245 _aEngineering economic analysis
260 _c1942
999 _c8250
_d8250