Swenson, Loyd S. Genesis of relativity : Einstein in context / by Loyd S. Swenson, Jr. - New York : B. Franklin, c1979. - xv, 266 p., [4] leaves of plates : ill. ; 24 cm. Includes index. ISBN: 0891021019 : $18.95 LCCN: 79000765 LC Class. No.: QC16.E5 S95 1979 / S95 1979 Dewey Class. No.: 530.1/1/09