Annual meeting of the Astronomische Gesellschaft, September 1995, Bonn, Germany Implications of Light Metals (Li - Ca) on NLTE Model Atmospheres for Hot Stars NLTE Analysis of Central Stars of Highly Excited Planetary Nebulae Implications of Light Metals (Li - Ca) on NLTE Model Atmospheres of Compact Hot Stars Analysis of IUE spectra with NLTE model atmospheres Improved NLTE Model Atmospheres for the Analysis of Hot Compact Stars NLTE Model Atmospheres for Extremely Hot Compact Stars Highly Energetic Physical Processes and Mechanisms for Emissions from Astrophysical Plasmas , July 1999, Bozeman, USANLTE Model Atmospheres for Central Stars of Planetary Nebulae From Origins to Microstructures , August 1999, MIT, Cambridge, USASurvey of Large Planetary Nebulae in Decay From Origins to Microstructures , August 1999, MIT, Cambridge, USANLTE model atmospheres for post-AGB stars Galactic Structure, Stars and the Interstellar Medium , May 28 - June 1 2000, Jackson Hole, Wyoming, USACalculation of Synthetic Ionizing Spectra for Planetary Nebulae The Enigma of AA Dor Stellar Rotation , November 2002, Cancun, MexicoThe Rotational Velocity of hot Pre-White Dwarfs Stellar Rotation , November 2002, Cancun, MexicoNLTE Spectral Analysis of Central Stars of PN Interacting with the ISM Winds, Structure, and the Thunderbird , July 28 - August 1 2003, Mt. Rainier National Park, Seattle, USAAA Dor - An Eclipsing sdOB - Brown Dwarf Binary Compact Binaries in the Galaxy and beyond , November 2003, La Paz, MexicoOn the Velocity Field and the 3D Structure of the Galactic Soccer Ball Abell 43 Planetary Nebulae as Astronomical Tools , June 2005, Gdansk, PolandFUV Spectroscopy of the Central Star of Sh 2-216 Space Astronomy: The UV window to the Universe , May 2007, El Escorial, SpainSearch for Mass-Ejections from Late He-Shell Flash Stars The Shaping for Stellar Ejecta , June 2010, Bowness on Windermere, EnglandJurassic World: The Decline of the Blackbody TheoSSA: Synthetic Stellar Spectra on Demand - The Geier Grids th Meeting on Hot Subdwarfs and Related Objects (sdOB9), Hendaye, France, June 23–27, 2019
