APA (7th ed.) Citation

(1977). Tiefbohren '77: Tagung Dortmund 1977. VDI-Verl.

Chicago Style (17th ed.) Citation

Tiefbohren '77: Tagung Dortmund 1977. Düsseldorf: VDI-Verl, 1977.

MLA (9th ed.) Citation

Tiefbohren '77: Tagung Dortmund 1977. VDI-Verl, 1977.

Warning: These citations may not always be 100% accurate.