00593cam a2200181 4500 122913458 TxAuBib 20071218120000.0 111123s2011||||||||||||||||||||||||eng|u 38109 Project Gutenberg PGUSA eng TxAuBib Krueger, Wm. G. Lecture on Artificial Flight Given by request at the Academy of Natural Sciences [Gutenberg] / by Wm. G. Krueger. Project Gutenberg, 2011. Project Gutenberg. Freely available. Electronic text. http://www.gutenberg.org/license Rights