Surma, P., Seifert, W., & Bender, R. (1990). Deep CCD surface photometry of early-type galaxies: I. Technique, application to standard galaxies, first results. Astronomy and astrophysics, 238(1/2), .
Chicago-Zitierstil (17. Ausg.)Surma, Peter, Walter Seifert, und Ralf Bender. "Deep CCD Surface Photometry of Early-type Galaxies: I. Technique, Application to Standard Galaxies, First Results." Astronomy and Astrophysics 238, no. 1/2 (1990).
MLA-Zitierstil (9. Ausg.)Surma, Peter, et al. "Deep CCD Surface Photometry of Early-type Galaxies: I. Technique, Application to Standard Galaxies, First Results." Astronomy and Astrophysics, vol. 238, no. 1/2, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.