00476nam a2200169Ia 4500082002100000100002000021245005100041260003500092300001700127500000500144690000600149700000500155952010200160964001700262921001000279999001700289  a658.152bW537.PI  aWestphal, L. E.  aPlanning investments with economics of scaleb  aAmsterdambNorth-Hollandc1971  axxiii, 380p.  a  a   a  00104070aISIbISId1998-10-09l0o658.152 W537.PIpDP5492r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a16727  c16727d16727