Tohutoro APA (7th ed.)
(1972). Kärntner Ingenieure: Technik in unserer Zeit.
Tohutoru Kātū Chicago (17th ed.)
Kärntner Ingenieure: Technik in Unserer Zeit. Klagenfurt, 1972.
Tohutoro MLA (9th ed.)
Kärntner Ingenieure: Technik in Unserer Zeit. 1972.
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