Ecological crop geography of the Ukraine and the Ukrainian agro-climatic analogues in North America 

 - Washington :  American Institute of Crop Ecology,  1947. 
 - 24p.  : ill.  ; 27cm. 
 - International agro-climatological series study; 12 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Ukraine<br/>Crops and climate<br/>Climate
<br/><br/><label>LC Class. No.: </label>PAM S469.R9A5