000 12840 003 PGUSA 008 040707s2004||||xxu|||||s|||||000 | spa d 040 PGUSA spa 042 dc 100 1 Piquer, D. Andres 245 10 Logica [electronic resource] / by D. Andres Piquer 260 Project Gutenberg, 2004 500 Project Gutenberg 506 Freely available. 516 Electronic text 830 0 Project Gutenberg 12840 856 40 http://www.gutenberg.org/etext/12840 856 42 http://www.gutenberg.org/license Rights