Mineral resources of Kerala and their utilisation: Proceedings of the symposium of Geoscience and Technology Association of Kerala on 18th &19th october 1975 at Thiruvananthapuram
Natarajan, K.S
Mineral resources of Kerala and their utilisation: Proceedings of the symposium of Geoscience and Technology Association of Kerala on 18th &19th october 1975 at Thiruvananthapuram State Planing Board - Thiruvananthapuram Government of Kerala 1975
553 NAT.M / GEOD433
Mineral resources of Kerala and their utilisation: Proceedings of the symposium of Geoscience and Technology Association of Kerala on 18th &19th october 1975 at Thiruvananthapuram State Planing Board - Thiruvananthapuram Government of Kerala 1975
553 NAT.M / GEOD433