00325nam a2200097Ia 4500008004100000082002100041100002200062245008200084260003300166300002800199250818b        |||||||| |||| 00| 0 eng d  a309.133bB985.EG  aButler, Joseph H.  aEconomic geographyb; spatial and environmental aspects of economic activity/  aNew York:bJohn Wiley,c1980  axiv, 402p. Index, Bibl.