| Preface | p. 1 |
| List of participants | p. 3 |
| Massive stars: setting the stage | p. 7 |
| The massive star distribution in the Galaxy and the Magellanic Clouds | p. 21 |
| Massive star distribution in external galaxies and starburst regions | p. 37 |
| Dissection of 30 Doradus and a discussion of the Magellanic Cloud OB-associations | p. 55 |
| Blue and red supergiants and the age structure of the NGC 330 region | p. 61 |
| Stars in young clusters in the Magellanic Clouds | p. 65 |
| The population of massive stars in R136 from HST/FOC UV observations | p. 69 |
| Spectral synthesis of spectral populations using Balmer lines | p. 75 |
| The stellar content of the Orion OB1 association | p. 81 |
| Observations of the atmospheres and winds of O-stars, LBV's and Wolf-Rayet stars | p. 85 |
| Radiation driven winds of hot stars: theory of O-star atmospheres as a spectral tool | p. 105 |
| The chemical composition of B-supergiant atmospheres | p. 127 |
| Intrinsic parameters of massive OB-stars | p. 137 |
| Line blanketing by iron group elements in non-LTE model atmospheres of hot stars | p. 147 |
| A comparison between observed and predicted mass loss rates and wind momentum of O stars | p. 153 |
| LTE and NLTE abundances in A supergiants: a test of their evolutionary status | p. 163 |
| A spectroscopic analysis of B-stars in the SMC cluster NGC 330 | p. 169 |
| Hydrodynamic atmosphere models for hot luminous stars II. Method and improvements over unified models | p. 173 |
| Hubble space telescope spectroscopy of massive hot stars in the Magellanic Clouds and M31 | p. 179 |
| Stellar winds of massive stars in M31 | p. 183 |
| O-star winds in the Magellanic Clouds and the Milky Way | p. 187 |
| On the relation between the mass loss rate and the stellar parameters of OB-type stars | p. 191 |
| Wind asymmetries in massive stars | p. 193 |
| NLTE analysis of hot binaries | p. 199 |
| Effective temperatures and surface gravities of early type stars | p. 203 |
| The atmospheric composition, extinction and luminosity of the LBV star R71 | p. 207 |
| The variability of Eta Car: a tool for the LBV phenomenon | p. 211 |
| The nature of the luminous blue variable AG Car | p. 215 |
| The evolutionary status of Eta Car based on historical and modern optical and infrared photometry | p. 219 |
| The gradual acceleration of the outflow of VX Sagittari; a stellar evolution effect? | p. 225 |
| The complex H-alpha profile of the hypergiant HR 8752 during 1970-1992 | p. 231 |
| Spectral analysis of Wolf-Rayet stars: theory, results, conclusions | p. 237 |
| Line-blanketed non-LTE atmosphere models for Wolf-Rayet stars | p. 253 |
| The fundamental parameters of the central stars of eight WR ring nebulae | p. 263 |
| Tailored analysis of 24 galactic WN stars | p. 271 |
| Oxygen and carbon abundances for the WO stars | p. 277 |
| HD190918: arbiter between models for Wolf-Rayet stars | p. 281 |
| Structure and evolution of massive stars: mixing processes and stellar evolution | p. 285 |
| Overshooting from convective cores: theory and numerical simulation | p. 299 |
| Massive close binaries, observational characteristics | p. 309 |
| Doppler tomography of O-type binaries; the physical properties of seven systems | p. 323 |
| Evolution of massive close binaries | p. 327 |
| Massive single star evolution: comparison with observations | p. 349 |
| Presupernova evolution of the most massive stars | p. 365 |
| Properties of massive star evolution | p. 373 |
| Nucleosynthesis in massive stars | p. 383 |
| Results of evolutionary computations of primaries of close binaries with different initial composition | p. 391 |
| The mass and helium discrepancy in massive stars: the case Vela X-1 | p. 395 |
| On the evolution of secondary components in massive close binary systems | p. 401 |
| Double-zone model with diffusive mixing and the mass and helium discrepancies in OB stars | p. 405 |
| The impact of semi-convection and overshooting on the surface abundances in massive stars | p. 409 |
| Improved bolometric corrections for WR stars | p. 413 |
| Wolf-Rayet stars in starbursts | p. 417 |
| A study of the SMC cluster NGC330 | p. 421 |
| The evolution of massive stars to explosion | p. 425 |
| SN1987A and SN1993J: testing stellar evolution theory | p. 439 |
| Chemical and photometric evolution of elliptical galaxies | p. 455 |
| A model for the chemical evolution of the solar neighborhood using metallicity dependent yields | p. 471 |
| Poster list | p. 477 |
| Summary | p. 485 |
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