Utajená obrana železné opony
Subtitle: československé opevnění 1945-1964
By: Martin Dubánek, Jan Lakosil, Pavel Minařík.
Contributors: Lakosil, Jan, 1981-; Minařík, Pavel.
Edition: 1. vyd.
Publisher: Mladá fronta
Published: 2008
Place of publication: Praha
Language: cze
Number of pages: 213
ISBN-13: 9788020417589
Subjects: Fortification -- Czechoslovakia; Bunkers (Fortification) -- Czechoslovakia; Czechoslovakia -- Defenses
Notes: Includes bibliographical references (p. 209-210).

Summary in German.