Activity in Cool Star Envelopes

I. Magnetic Fields.- Stellar Magnetic Fields, Origin and Structure.- Observational Constraints for Solar-Type Dynamos.- The Development of Structure in Coronal Magnetic Fields.- Stellar magnetic fields: measurements and diagnostics.- A new technique for the measurement of stellar magnetic fields: First Results.- Multiwavelength observations of magnetic fields and related activity on XI Bootis A.- II. Atmospheric Activity.- Atmospheric Activity in the outer envelopes of cool dwarf stars.- Radiation losses in chromospheric and transition region emission lines from AD Leo (dM4e).- Variation of the flare energy spectrum during the activity cycle of the UV CET-TYPE stars.- Statistical photometry of flare stars in the ultraviolet and photographic bands.- Photographic photometry and'statistical investigation of Pleiades flare stars.- B-19-A flare star in front of the NGC 7000 aggregate.- IRAS observations of flare stars.- Spectroscopic observations of X-ray selected late type stars.- Activity in envelopes of T Tauri Stars.- RY Lupi-A pulsating T Tauri Star?.- Deuterium burning and pulsational instabilities in pre-main-sequence stars.- Small scale stellar surface structures.- Visible and infrared photometry of ER Val.- Spot activity and circumstellar matter in II Peg.- III. Stellar and Solar Flares.- Magnetic reconnection models of flares.- Conditions for transition from quiescent to active states in stellar atmospheres.- Stellar and solar flares: Some theoretical problems from the point of view of modern observations.- Quasi-static evolution of a force-free magnetic field - Applications to the theory of stellar flares and coronal heating.- Flares: Magnetic or convective origin?.- Simultaneous optical and infrared observations of stellar flares.- Coordinated photometry, spectroscopy and X-ray observations of flare stars.- Modeling of long-decay stellar flares on EQ Peg and Prox Cen.- Spatially resolved flares in RSCVn Systems.- Simultaneous EXOSAT and VLA observations of