Barred Galaxies And Circumnuclear Activity - N°474 - Proceedings Of The Nobel Symposium 98 Held At Stockholm Observatory, Saltsjöbaden, Sweden, 30 November - 3 December 1995
Central Activity In Galaxies From Observation Data To Astrophysical Diagnostics - Lecture Notes In Physics N° 413 - Eadn Predoctoral Astrophysics School Iii, Dublin, Ireland 10-22 September 1990
Collection: Lecture Notes In Physics N° 416, Edited By H. Araki, Kyoto, J. Ehlers, München, K. Hepp, Zürich, R. Kippenhahn, München, E. Brézin, ENS Paris, H.A. Weidenmüller, Heidelberg, J. Wess, Karlsruhe & J. Zittartz, Köln - Managing Editor W. Beiglböck