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    Role of Launch Vehicles in Moon-Mars Exploration Program

    Koelle, H. H. | British Library Online Contents | 1998

    MISSILES AND SPACE SYSTEMS - 1962

    Koelle, H. H. | NTRS | 1962

    The Lunar Laboratory Option

    Koelle, H. H. / International Astronautical Federation | British Library Conference Proceedings | 1995

    A frame of reference for extraterrestrial enterprises

    Koelle, H. H. / International Astronautical Federation | British Library Conference Proceedings | 1992

    Comparison of the Cost-Effectiveness of Expendable Launch Vehicles of the SATURN class with Reusable Launch Vehicles of the POST-SATURN class

    Koelle, H. H. / International Astronautical Federation | British Library Conference Proceedings | 1995

    ECONOMY OF SPACE FLIGHT

    Huber, W. G. / Koelle, H. H. | NTRS | 1960

    COMPARISON OF LUNAR AND MARTIAN MISSION REQUIREMENTS AND PAYLOAD CONVERSION FACTORS

    Koelle, H. H. / Ruppe, H. O. / Thomae, H. F. | NTRS | 1963

    A Critical Assessment of single Stage Space Vehicles for Lunar outpost Options Vorposten im Weltraum: Eine Forschungsstation auf dem Mond

    Koelle, H. H. / Deutsche Gesellschaft fur Luft- und Raumfahrt | British Library Conference Proceedings | 1996

    On the use of extraterrestial Resources

    Koelle, H. H. / Deutsche Gesellschaft fur Luft- und Raumfahrt | British Library Conference Proceedings | 1996

    A systems architecture of extraterrestrial production

    Koelle, H. H. / Institut für Luft- und Raumfahrt, Technische Universität Berlin | TIBKAT | 1987