Ruth, P. (Paul) Introduction to field and particle [by] P. Ruth. - London, Butterworths, 1969. Bibliography: p. 415-417. ISBN: 0408532009 30/- LCCN: 75425662 Nat. Bib. No.: B69-16269 Subjects--Topical Terms: Electromagnetic fields.Nuclear physics. LC Class. No.: QC670 / .R87 Dewey Class. No.: 537.1/2