000			00312 a2200133 4500
080			_a620 _bB 937 E
245	1		_aEngineering economic analysis _cby C.E. Bullinger
250			_a2nd edn.
260			_aNew York _c1950
650			_aEngineering
100	1		_aBullinger, C.E. _d
300			_a397 p.
901			_a35550
999			_c39472 _d39472