Hyung, S., Aller, L. H., Feibelman, W. A., Lee, W. B., & de Koter, A. (2000). The optical spectrum of the planetary Nebula NGC 6543. Monthly Notices of the Royal Astronomical Society, 318, 77-93.
Lamers, H. J. G. L. M., Nugis, T., Vink, J. S., & de Koter, A. (2000). The dependence of mass loss on the stellar parameters. In H. J. G. L. M. Lamers, & A. Sapar (Eds.), Thermal and Ionization Aspects of Flows from Hot Stars: Observations and Theory (Vol. 203, pp. 395-411). ASP Conference Series.
Vink, J. S., de Koter, A., & Lamers, H. J. G. L. M. (2000). The bi-stability jump of radiation driven winds. In H. J. G. L. M. Lamers, & A. Sapar (Eds.), Thermal and Ionization Aspects of Flows from Hot Stars: Observations and Theory (Vol. 203, pp. 427-432). ASP Conference Series.
Bruhweiler, F., Miskey, C., de Koter, A., Smith Neubig, M., Walborn, N., & Lanz, T. (2000). Ultraviolet spectroscopy of O and B Stars at 1/30 solar metallicity: The stars of the Local Group galaxy Sextans A. Bulletin - American Astronomical Society, 32, 1530-1530.
Bouwman, J., Meeus, G., de Koter, A., & Waters, L. B. F. M. (2000). The composition of silicates in disks surrounding Herbig Ae/Be stars. In . IAU Symp. (Ed.), Planetary Systems in the Universe (Vol. 202). IAU.
Bouwman, J., Malfait, K., de Koter, A., & Waters, L. B. F. M. (2000). The dust composition of the circumstellar disk of the Herbig Ae/Be star HD100546. In . IAU Symp. (Ed.), Planetary Systems in the Universe (Vol. 202)
Zaal, P. A. (2000). Observations and analysis of early-type stars at infrared wavelengths. [Thesis, fully internal, Universiteit van Amsterdam].
Bouwman, J., de Koter, A., van den Ancker, M. E., & Waters, L. B. F. M. (2000). The composition of the circumstellar dust around the Herbig Ae stars AB Aur and HD 163296. Astronomy & Astrophysics, 360, 213-216.
De Marco, O., Schmutz, W., Crowther, P. A., Hillier, D. J., Dessart, L., de Koter, A., & Schweickhardt, J. (2000). The gamma Velorum binary system. Astronomy & Astrophysics, 358, 187-200.
Hony, S., Waters, L. B. F. M., Zaal, P. A., de Koter, A., Marlborough, J. M., Miller, C. E., Trams, N. R., Morris, P. W., & de Graauw, T. (2000). The infrared spectrum of the Be star gamma Cassiopeiae. Astronomy & Astrophysics, 355, 187-193.
