00862nam0-22003131i-450-99000326337040332120001010000326337FED01000326337(Aleph)000326337FED0100032633720000920d1973----km-y0itay50------baitay-------001yySPATIAL STRUCTURESIntroducing the Study of Spatial Systems in Human Geography1LondonMethuen & Co.1973pp. 137Monografie e Saggi, Geografia Politica049.002Johnston,Ron John<1941- >410400ITUNINARICAUNIMARCBK990003263370403321049.002.JOH1513DECGEDECGESPATIAL STRUCTURES451021UNINAING01