Gupta U.S. 
Physiological Aspects of Dryland Farming 
 - New Delhi  Oxford and IBH Pulishing Co.  1977 
 - 391p 
Gupta U.S.: Physiological Aspects of Dryland Farming.  New Delhi.  Oxford and IBH Pulishing Co., 1977. Rs. 70.00--(631.586GUP)   
ENGLISH 
631.586  / GUP