00281cam a22000977a 4500008004000000082001700040100001600057245005000073260005000123300001000173180718b1962   xxu||||| |||| 00| 0 eng d  aX217x42 Un3e  aStone, P.A.  aEconomics of factory buildingscby P.A. Stone  aLondonbHer Majesty's Stationery Officec1962  a51+p.