To be published in Acta Astronomica World Line Crossings with Waltraut Seitter and Hilmar Duerbeck André Heck Strasbourg Astronomical Observatory, France

Source URL: www.aheck.org

• Waltraut Seitter
• Observatory of Strasbourg
• Acta Astronomica
• Walter Wislicenus
• ASTRON
• Strasbourg
• International Ultraviolet Explorer
• 890 Waltraut
• Astronomy
• France
• Space