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

 - Washington :  American Institute of Crop Ecology,  1950. 
 - 31p.  : ill.  ; 27cm. 
 - International agro-climatological series study; 12 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Norway<br/>Crops and climate<br/>Climate<br/>Forests and forestry<br/>Crop zones
<br/><br/><label>LC Class. No.: </label>PAM SB187.C5N8 no.12