Spet︠s︡ialnite sluzhbi
Subtitle: teorii︠a︡ i praktika
By: Todor Trifonov, Georgi Ralchev
Contributors: Ralchev, Georgi, 1958-
Publisher: Fondat︠s︡ii︠a︡ "Nat︠s︡ionalna i mezhdunarodna sigurnost"
Published: 2001
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 523
Subjects: Intelligence service
Notes: Includes bibliographical references (p. 509-516).

Summary and table of contents in English.