Proceedings of Symposium on Arid Zone held at the Central Arid Zone Research Institute, Jodhpur, 22-29 November, 1968 in collaboration with Indian Council of Agricultural Research / 
edited by S. P. Chatterjee, B. B. Roy, S. P. Das Gupta 
 - Calcutta :  National Committee for Geography,  1971 
 - [14],142 p.:  ill.,maps ;  25 cm. 
<br/><br/> At the head of the title page: 21st International Geographical Congress 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Congresses and conventions--India--Jodhpur<br/>Arid regions--Congresses--India--Jodhpur