StarGuides Plus: by Andre Heck

by Andre Heck

Introduction to Maple: by Andre Heck

by Andre Heck

Organizations and Strategies in Astronomy II: by Andre Heck

by Andre Heck

StarBriefs 2001: A Dictionary of Abbreviations, Acronyms and Symbols in Astronomy, Related Space Sciences and Other: by Andre Heck

by Andre Heck

Organizations and Strategies in Astronomy 6: by Andre Heck

by Andre Heck

Organizations and Strategies in Astronomy: Volume 4: by Andre Heck

by Andre Heck

Intelligent Information Retrieval: The Case Of Astronomy And Related Space Sciences: by Andre Heck

by Andre Heck

Organizations and Strategies in Astronomy 7: by Andre Heck

by Andre Heck

Information Handling in Astronomy: by Andre Heck

by Andre Heck

Organizations and Strategies in Astronomy: Volume II: by Andre Heck

by Andre Heck

StarBriefs Plus: A Dictionary of Abbreviations, Acronyms and Symbols in Astronomy and Related Space Sciences: by Andre Heck

by Andre Heck

The Multinational History of Strasbourg Astronomical Observatory: by Andre Heck

by Andre Heck

Organizations and Strategies in Astronomy: Volume 5: by Andre Heck

by Andre Heck

Applying Fractals in Astronomy: by Andre Heck

by Andre Heck

Knowledge-Based Systems in Astronomy: by Andre Heck

by Andre Heck