00314nam a2200133Ia 4500003000400000005001700004008004000021040000600061041000800067082001200075100001700087245003800104260003800142OSt20220802143757.0210210b1909   xxu||||| |||| 00| 0 eng d  cl  aeng  a330/276  aMARSHALL (A)  aElements of economics of industry  aLondonbMacmillan & Co. Ltdc1909