00523cam a2200181 4500 380852346 TxAuBib 20180420120000.0 190419s2019||||||||||||||||||||||||eng|u 59311 Project Gutenberg PGUSA eng TxAuBib Gaffigny, Henry de. Gas and Petroleum Engines [Gutenberg] / Henry de Gaffigny. Project Gutenberg, 2019. Public domain in the USA. Text. http://www.gutenberg.org/ebooks/59311 TXTLL