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 - Symposium on Arid Zone (1968 November 22-29 : Jodhpur, India); Chatterjee, S. P.; Roy, B. B.; Das Gupta, S. P.; National Committee for Geography(Calcutta, India); International Geographical Congress 1968 : Jodhpur, India) (Calcutta : National Committee for Geography, 1971)
At the head of the title page: 21st International Geographical Congress
Keywords: Congresses and conventions -- India -- Jodhpur; Arid regions -- India -- Jodhpur -- Congresses