Singh Kang, Darshan <br/><br/>
Derivation of hydro-based crop regions in Punjab, India / 
Darshan Singh Kang 
 - Ann Arbor, Mich. :  University Microfilms International,  1975 
 - 184 p. ;  20 cm. 
<br/><br/> Dissertation (Ph. D.) - University of Nebraska 
<br/><br/>Bibliography : p. 175-184 
<br/><br/><label>ISBN: </label> USD 37.40 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources
<br/><br/><label>Dewey Class. No.: </label>333.09545