Table of Contents
Labs, D. The energy flux of the sun.--Bèohm-Vitense, E. Model stellar atmospheres and heavy element abundances.--Hunger, K. Properties and problems of helium stars.--Baschek, B. Abundance anomalies in early-type stars.--Kodaira, K. A-type horizontal-branch stars.--Weidemann, V. White dwarfs: composition, mass budget and galactic evolution.--Bèohm, K.-H. Herbig-Haro objects and T Tauri nebulae.--Reimers, D. Circumstellar envelopes and mass loss of red giant stars.--Kegel, W. H. Cosmic masers.--Oester, L. Radio emission from stellar and circumstellar atmospheres.--Traving, G. Line formation in turbulent media.