Radhakrishna, B. P. Stratigraphic boundary problems in India B. P. Radhakrishna - Bangalore Geological Society of India 1990 - iii+116p. illus;plates;refs - Geological Society of India, Memoirs, 16 . ISBN: 0016-7622 Subjects--Topical Terms: PrecambrianStratigraphy Universal Decimal Class. No.: 551.7(540) / RAD