Proceedings.
- New Delhi, National Institute of Sciences of India, 1966.
- 110 p. illus., maps (part fold.) 24 cm.
- National Institute of Sciences of India. Bulletin, no. 32 .
- Bulletin of the National Institute of Sciences of India ; no. 32. .
"Held at the Regional Research Laboratory, Hyderabad on December 23, 1965, in collaboration with the Indian Geophysical Union."