00259nam a2200121Ia 4500020001500000082001900015100001700034245002700051260003400078300001500112500000500127700000500132  a0701119551  a338.6bR573.IG  aRiley, R. C.  aIndustrial geographyb  aLondonbChatto & Windusc1973  axii, 228p.  a  a