Williams, M. M. R. The slowing down and thermalization of neutrons / [by] M. M. R. Williams. - Amsterdam : North-Holland Pub. Co., 1966. - xv, 582 p. : illus. ; 23 cm. Includes bibliographical reference and index. Subjects--Topical Terms: Neutrons. Dewey Class. No.: 539.7213 / WIS 1966