Appenzeller, I. (1989). Future directions and opportunities: A personal view. ESO Workshop on Low Mass Star Formation and Pre-Main Sequence Objects.
Chicago-Zitierstil (17. Ausg.)Appenzeller, Immo. "Future Directions and Opportunities: A Personal View." ESO Workshop on Low Mass Star Formation and Pre-Main Sequence Objects 1989.
MLA-Zitierstil (9. Ausg.)Appenzeller, Immo. "Future Directions and Opportunities: A Personal View." ESO Workshop on Low Mass Star Formation and Pre-Main Sequence Objects, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.