00483nam a2200169Ia 4500082002100000100001900021245005100040260004800091300001500139500000500154690000600159700000500165952010200170964001700272921000900289999001500298  a338.016bP917.ES  aPratten, C. F.  aEconomies of scale in manufacturing industryb  aCambridgebCambridge University Pressc1971  axii, 352p.  a  a   a  00104070aISIbISId1998-09-10l0o338.016 P917.ESpDP5665r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a9927  c9927d9927