Gardner, J <br/><br/>
Aridity and agriculture 

 - Publication, 74 .
<br/><br/> <Donation Engel> 
<br/><br/>bibliogr. p. 275-276 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zone aride<br/>Agriculture<br/>Végétation<br/>Eau
<br/><br/><label>Subjects--Index Terms: </label>Etats Unis