Session of the Indian Science Congress. (1984). Proceedings of the seventy- first Session of the Indian Science Congress held at Ranchi, 1984. Indian Science Congress.

Session of the Indian Science Congress. Proceedings of the Seventy- First Session of the Indian Science Congress Held at Ranchi, 1984. Ranchi: Indian Science Congress, 1984.

Session of the Indian Science Congress. Proceedings of the Seventy- First Session of the Indian Science Congress Held at Ranchi, 1984. Indian Science Congress, 1984.