Search Results - Sorensen, Trevor C.

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    Rocket into planetary space / by Oberth, Hermann, 1894-1989

    Published 2014
    Other Authors: “…Sorensen, Trevor C.…”
    An electronic book accessible through the World Wide Web; click to view
    Electronic eBook
  2. 2

    Rocket into planetary space / by Oberth, Hermann, 1894-1989

    Published 2014
    Other Authors: “…Sorensen, Trevor C.…”
    An electronic book accessible through the World Wide Web; click to view
    Electronic eBook