Nutton, Michael Y. Ecological crop geography of Greece and its agro-climatic analogues in North America - Washington : American Institute of Crop Ecology, 1947. - 17p. : ill. ; 27cm. - International agro-climatological series study; 5 . Subjects--Topical Terms: Field cropsGreeceCrops and climateCrop zones LC Class. No.: PAM SB187.G7N86 No.5