00387cam a22001097a 4500008003600000082001300036245011200049260002800161300000900189650001500198700006400213180718b   xxu||||| |||| 00| 0 eng d  aT82 Ec74  aThe economist guide to weights and measurescby The Statistical Department of the Economist, United Kingdom  aLondonbThe Economistc  a83p.  aEconomists  aUnited Kingdom. The Statistical Department of the Economist