Grigg D B <br/><br/>
Agriculture systems of the world    An evolutionary approach 

 - London  Cambridge          1974 
 - 358p  cm. 
 - (Cambridge Geographical studies,5) .
<br/><br/><label>Standard No.: </label>29601 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE
<br/><br/><label>Dewey Class. No.: </label>J.1, L4