000 13289 003 PGUSA 008 040825s2004||||xxu|||||s|||||000 | eng d 040 PGUSA eng 042 dc 100 1 Gratacap, L. P. 245 14 The Certainty of a Future Life in Mars [electronic resource] / by L. P. Gratacap 260 Project Gutenberg, 2004 500 Project Gutenberg 506 Freely available. 516 Electronic text 830 0 Project Gutenberg 13289 856 40 http://www.gutenberg.org/etext/13289 856 42 http://www.gutenberg.org/license Rights