An Advanced Course in Mathematical, Physical and String Cosmology

Indirect Imaging Methods in Observational Astronomy

Lectures Held at the 39. Universitätswochen für Kern- und Teilchenphysik, Schladming, Austria

Proceedings of the Ringberg Workshop Held at Tegernsee, Germany, 30 May - 4 June 1999

Proceedings of a Workshop Held at the Naval Surface Weapons Center, Silver Spring, MD, July 23-26, 1984

Proceedings of the International Meeting Held in Priorij Corsendonck, Belgium July 2-4, 1985

Proceedings of the Sixth Symposium on Trends in Applications of Pure Mathematics to Mechanics, held at the Physikzentrum of the German Physical Society, Bad Honnef, October 21-25, 1985