00518cam a2200169 4500 100297832 TxAuBib 20070420120000.0 100108s2010||||||||||||||||||||||||eng|u 30889 Project Gutenberg PGUSA eng TxAuBib Behnke, Emil. The Mechanism of the Human Voice [Gutenberg] / by Emil, 1836-1892 Behnke. Project Gutenberg, 2010. Project Gutenberg. Freely available. http://www.gutenberg.org/license Rights