John C. Hudson, Geographical Diffusion Theory, Studies in Geography, No. 19, Northwestern University, Evanston, Illinois, 1972, str. 179

URN:NBN:SI:doc-K8Y18XLV1975Klemenčič, Marijan M.documents/doc/K/URN_NBN_SI_doc-K8Y18XLV_001.pdfdocuments/doc/K/URN_NBN_SI_doc-K8Y18XLV_001.txtarticleletn. 47str. 212-2130350-389520588130URN:NBN:SI:doc-K8Y18XLVslvZveza geografskih društev SlovenijeGeografski vestnikInCgeografska teorijageographyocene in poročilarecenzijereviewJohn C. Hudson, Geographical Diffusion Theory, Studies in Geography, No. 19, Northwestern University, Evanston, Illinois, 1972, str. 179