Nuttonson, Michael Y. <br/><br/>
Ecological crop geography of Yugoslavia and and its  agro-climatic analogues in North America 

 - Washington  American Institute of Crop Ecology  1947 
 - 11p.  27cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>LC Class. No.: </label>PAM S469.Y8N8 no.4