Smithells, Colin J. Tungsten : a treatise on its metallurgy, properties and applications / Colin J. Smithells. - 3rd ed. - London : Chapman & Hall, 1952. - 326 p. : ills. ; 25 cm. Includes index. 311 311 Subjects--Topical Terms: Tungsten. Dewey Class. No.: 669.734 / S51t