Appenzeller, I., Krautter, J., & Wolf, B. (1980). Spectroscopic evidence of strong mass flow variations in the envelope of the T Tauri star DR Tau. Astronomy and astrophysics, 86(1/2), .
Chicago Style (17th ed.) CitationAppenzeller, Immo, Joachim Krautter, and Bernhard Wolf. "Spectroscopic Evidence of Strong Mass Flow Variations in the Envelope of the T Tauri Star DR Tau." Astronomy and Astrophysics 86, no. 1/2 (1980).
MLA (9th ed.) CitationAppenzeller, Immo, et al. "Spectroscopic Evidence of Strong Mass Flow Variations in the Envelope of the T Tauri Star DR Tau." Astronomy and Astrophysics, vol. 86, no. 1/2, 1980.
Warning: These citations may not always be 100% accurate.