00587cam a2200193 4500 100283066 TxAuBib 20070420120000.0 040501s2004||||||||||||||||||||||||eng|u 12406 Project Gutenberg PGUSA eng TxAuBib Bryant, Walter W, (Walter William.) Kepler [Gutenberg] / by Walter W. Bryant. Project Gutenberg, 2004. Project Gutenberg. Freely available. Electronic text. Kepler, Johannes, 1571-1630. http://www.gutenberg.org/license Rights