Hughes, I. S. Elementary particle/ by I. S. Hughes. - Harmondsworth : Penguin, .1972. - 254 p. illus. - Penguin library of physical sciences: physics Penguin education . Bibliography: p. 247-250. ISBN: 0140802770 Subjects--Topical Terms: Particles (Nuclear physics) Dewey Class. No.: 539.721 HUG/E