TY - BOOK AU - Nuttonson,Michael Y. TI - Ecological crop geography of Germany and its agro-climatic analogues in North America T2 - International agro-climatological series study; 12 AV - PAM SB187.G4N8 PY - 1949/// CY - Washington PB - American Institute of Crop Ecology KW - Agriculture KW - Germany KW - Crops and climate KW - Climate ER -