000			00380nam a2200145Ia 4500
008			100324s9999 xx 000 0 und d
100			_aThuesen, HG, Et al
245			_aEngineering Economy
250			_a5th
260			_c1981 _bPHI _aNew Delhi
366			_b1981
541			_g004725/6.8.83
650			_aECONOMICS
942			_cBK
999			_c69037 _d69037