Smithells, Colin J. Impurities in metals, their influence on structure and properties, by Colin J. Smithells ... - 2nd. ed. - London, Chapman & Hall, Ltd., 1930. - ix, 157 p. : il., diagrs. ; 25 cm. LCCN: 28021576 Subjects--Topical Terms: METALOGRAFIAIMPUREZA DE LOS METALES LC Class. No.: TA459 / .S6 1928 Universal Decimal Class. No.: 669.017