1. ISO spectroscopy of disks around Herbig Ae/Be stars
2. Polycyclic aromatic hydrocarbons and the unidentified infrared emission bands - Auto exhaust along the Milky Way
3. Aller, L. H., Appenzeller, I., Baschek, B., et al. 1982, Landolt-Börnstein: Numerical Data and Functional Relationships in Science and Technology - New Series Gruppe/Group 6 Astronomy and Astrophysics, Volume 2 Schaifers/Voigt: Astronomy and Astrophysics/Astronomie und Astrophysik Stars and Star Clusters/Sterne und Sternhaufen (Landolt-Bornstein: Numerical Data and Functional Relationships in Science and Technology)
4. Alonso-Albi, T., Fuente, A., Bachiller, R., et al. 2008, ArXiv e-prints