00455nam a2200145 4500 740417 1940 eng u 8123904606 Prasad, Umeshwar. 10433 Economic geology: economic mineral deposits. Umeshwar Prasad. 2d ed. New Delhi, CBS Publishers & Distributors Pvt. Ltd, 2013. xvi, 319 p. illus., map. Geology, Economic 10434 BK 31234 31234