Williams, John Eric Charles. Superconductivity and its applications J. E. C. Williams. - London Pion 1970. - 213 p., 5 plates. illus. 23 cm. - Applied physics series 4 . - Applied physics series (Pion (Firm)) 4. . Bibliography: p. [204]-206. LCCN: 75854664 //r90 Subjects--Topical Terms: Superconductivity.