Whirlybirds: A History of the U.S. Helicopter Pioneers

2014-02-09 分类：交通运输

Whirlybirds:A History of the U.S. Helicopter Pioneers

by: Jay P. Spenser

Publisher: University of Washington

Print length: 497

Publication Date: 1998-10

ISBN-10: 0295976993

ISBN-13: 9780295976990
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