Jamrack, W. D. Rare metal extraction by Chemical Engineering Techniques - 1ยบ ed. - New York The Macmillan Company 1963 - 360 p. - International series of monographs on Chemical Engineering Volumen 2 . LCCN: 6222067 Subjects--Topical Terms: DESCOMPOSICIONDECOMPOSITIONMINERALES Subjects--Geographic Terms: MINERALS