Yadav, Atar Singh .
Geography of minerals of the oceans / by Atar Singh Yadav. - New Delhi : Concept Publishing Company , 1992 - 103p ;
81-7022-395-4
Geography- Oceans
U256 / N2
Geography of minerals of the oceans / by Atar Singh Yadav. - New Delhi : Concept Publishing Company , 1992 - 103p ;
81-7022-395-4
Geography- Oceans
U256 / N2