Sperrfeuer am Himmel
Subtitle: Fliegerabwehr in der Schweiz
By: Fotos, Dölf Preisig ; Text, Ronald Sonderegger.
Contributors: Sonderegger, Ronald.
Publisher: Ringier
Published: 1986
Place of publication: Zürich
Language: ger
Number of pages: 159
Subjects: Air defenses -- Switzerland.
Notes: Bibliography: p. 159.