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Astronomy Activity and Laboratory Manual
by Hirshfeld, Alan W.
ISBN: 9781284113747
Copyright:
Paperback
In Quest of the Universe, 7th Ed. AND ...
by Koupelis, Theo; Hirshfeld, Alan W.
ISBN: 9781284180749
ISBN: 9780763760199
Parallax The Race to Measure the Cosmos
ISBN: 9780486490939