00537nam a2200181Ia 4500020001500000082001900015100002200034245008000056260003400136300002700170500000500197690000600202700000500208952010100213964001700314921000900331999001500340  a0631114114  a338.5bL244.VE  aLancaster, Kelvin  aVariety, equity, and efficiency; product variety in an industrial societyb  aOxfordbBasil Blackwellc1979  axi, 373p. Index. Bibl.  a  a   a  00104070aISIbISId1998-08-17l0o338.5 L244.VEpDP16619r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a4566  c4566d4566