Releases by Koerner, David W. (, Assistant Professor of Astronomy, University of Pennsylvania)

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Cover for Koerner, David W. (, Assistant Professor of Astronomy, University of Pennsylvania) · Here Be Dragons: The Scientific Quest for Extraterrestrial Life (Paperback Book) (2001)
Paperback Book
Here Be Dragons: The Scientific ...
Koerner, David W. (, Assistant P...
Cover for Koerner, David W. (, Assistant Professor of Astronomy, University of Pennsylvania) · Here Be Dragons: The Scientific Quest for Extraterrestrial Life (Hardcover Book) (2000)
Hardcover Book
Here Be Dragons: The Scientific ...
Koerner, David W. (, Assistant P...