Holzäpfel, F. (2008). The DLR project Wirbelschleppe: Detecting, characterizing, controlling, attenuating, understanding, and predicting aircraft wake vortices (Als Ms. gedr.). DLR, Bibliotheks- und Informationswesen.
Chicago Style (17th ed.) CitationHolzäpfel, Frank. The DLR Project Wirbelschleppe: Detecting, Characterizing, Controlling, Attenuating, Understanding, and Predicting Aircraft Wake Vortices. Als Ms. gedr. Köln: DLR, Bibliotheks- und Informationswesen, 2008.
MLA (9th ed.) CitationHolzäpfel, Frank. The DLR Project Wirbelschleppe: Detecting, Characterizing, Controlling, Attenuating, Understanding, and Predicting Aircraft Wake Vortices. Als Ms. gedr. DLR, Bibliotheks- und Informationswesen, 2008.
Warning: These citations may not always be 100% accurate.