Boldt, Joseph R. The winning of nickel : its geology, mining and extractive metallurgy / by Joseph R. Boldt ; edited by Paul Queneau - London : Methuen, 1967 - xiv, 487 p. ; 24 cm. Includes bibliographical references and index ISBN: Rs. 100.00 Subjects--Topical Terms: Metallurgical analysisGeology Dewey Class. No.: 553.48