Cryptography: proceedings of the Workshop on Cryptography, Burg Feuerstein, Germany, March 29-April 2, 1982/ edited by Thomas Beth. - Berlin ; New York: Springer-Verlag, 1983. - viii, 402 p.: ill.; 25 cm. - Lecture notes in computer science, 149. . Bibliography: p. 379-397. ISBN: 0387119930 (pbk.) : DM43.00 LCCN: 83000430 Subjects--Topical Terms: Cryptographie.-Cryptography---Congresses. Dewey Class. No.: 001.54/36