Appenzeller, I. (1996). 5.3 Protostars, pre-main sequence objects: 5 Special types of stars. Numerical data and functional relationships in science and technology: Group 6: Astronomy and Astrophysics. https://doi.org/10.1007/10057805_60
Chicago-Zitierstil (17. Ausg.)Appenzeller, Immo. "5.3 Protostars, Pre-main Sequence Objects: 5 Special Types of Stars." Numerical Data and Functional Relationships in Science and Technology: Group 6: Astronomy and Astrophysics 1996. https://doi.org/10.1007/10057805_60.
MLA-Zitierstil (9. Ausg.)Appenzeller, Immo. "5.3 Protostars, Pre-main Sequence Objects: 5 Special Types of Stars." Numerical Data and Functional Relationships in Science and Technology: Group 6: Astronomy and Astrophysics, 1996, https://doi.org/10.1007/10057805_60.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.