Proceedings of the Sixth Indian Geological Congress held at University of Roorkee, during February 21-24 1987
Moharir, P.
Proceedings of the Sixth Indian Geological Congress held at University of Roorkee, during February 21-24 1987 - Roorkee Indian Geological Congress 1988
Proceedings of the Sixth Indian Geological Congress held at University of Roorkee, during February 21-24 1987 - Roorkee Indian Geological Congress 1988