Dēta hogo to angōka no kenkyū
Subtitle: konpyūta nettowāku no anzensei
By: Hitotsumatsu Shin kanshū.
Contributors: Hitotsumatsu, Shin, 1926-
Edition: 1-han.
Publisher: Nihon Keizai Shinbunsha
Published: 1983
Place of publication: Tōkyō
Language: jpn
Number of pages: 240
Subjects: Computer security.; Cryptography.; Computer networks -- Security measures.; Data protection.
Notes: Includes bibliographies.