TY - BOOK AU - Villani,S.(Stelio) AU - Becker,E.W.(Erwin Willy),1920- TI - Uranium enrichment SN - 0387093850 PY - 1979/// CY - Berlin PB - Springer-Verlag KW - Isotope separation KW - Uranium KW - Isotopes N1 - Includes bibliographies and index ER -