Littlefield , T.A.. Atomic and Nuclear Physics: An Introduction in S.I. Units / Textual Documents T.A.Littlefield & N.Thorley. - 1st ed. / - England : ELBS, English Language Book Society/Longman , 1970. - V,476p. : ill ; 22cm . Index Subjects--Index Terms: Nuclear Physics Atomic Physics G-Physics Dewey Class. No.: 539.7 / Li 71 At