1. The Evolution of Rotating 15 M⊙ Stars;Symposium - International Astronomical Union;1994
2. The Evolution of Rotating 15 M⊙ Stars;Pulsation, Rotation and Mass Loss in Early-Type Stars;1994
3. Stellar Evolution and Stellar Populations in Galaxies;The Stellar Populations of Galaxies;1992
4. Binarity and Abundance Anomalies in Stars;Symposium - International Astronomical Union;1991
5. Binarity and Abundance Anomalies in Stars;Evolution of Stars: The Photospheric Abundance Connection;1991