Gravitation and cosmology / Proceedings of the XV IAGRG conference held at the North Bengal University 4-7 November, 1989 - New Delhi: Wiley Eastern Ltd, 1992 - vi, 200p. ISBN: 81-224-0415-4 Subjects--Topical Terms: Proceedings Universal Decimal Class. No.: 531.5:524.8(082.2) / N2