Amho ŭi segye
By: Rudolpʻŭ Kʻipʻenhan chiŭm ; Kim Si-hyŏng omgim.
Contributors: Kim, Si-hyŏng.
Edition: Chʻopʻan
Publisher: Ijibuk
Published: 2001
Place of publication: Sŏul
Language: kor
Number of pages: 357
Subjects: Cryptography.; Cryptography -- History.
Other titles: Code breaking
Work titles: Verschlüsselte Botschaften.
Notes: At head of title on cover: Code breaking.