1 Table of Contents: “... in Accretion Disks -- Magnetic Field Measurements on Cool Stars -- The Expanding Envelope of Supernova 1987A...”

2 Table of Contents: “... -- Accretion Phenomena at Neutron Stars -- A Torus-Dynamo for Magnetic Fields in Galaxies and Accretion Disks...”

3 “..., luminous blue variables (LBVs) and novae). Intrinsic variations of the, magnetic field struc­ ture...”