00483nam a2200181Ia 4500020001400000082002200014100002000036245004300056260002800099300001300127500000500140690000600145700000500151952010400156964001700260921000900277999001500286  a333169166  a338.528bA1428.IN  aAllen, R. G. D.  aIndex numbers in theory and practicsb  aLondonbMacmillanc1975  ax, 278p.  a  a   a  00104070aISIbISId1998-08-20l0o338.528 A1428.INpDP11494r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a5318  c5318d5318