00521nam a2200181Ia 4500082002500000100002100025245003600046260003400082300002000116490003900136500000500175690000600180700000500186952010700191964001700298921000900315999001500324  a309.1002851bH891.SA  aHuggett, Richard  aSystems analysis in geographyb  aOxfordbClarendon Pressc1980  aix, 208p. Index  aContemporary problems in Geography  a  a   a  00104070aISIbISId1998-06-03l0o309.1002851 H891.SApDP19283r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a1121  c1121d1121