TY - BOOK AU - Zubrin Robert AU - Crossman Frank TI - On to Mars T2 - Apogee Books space series, SN - 1896522904 (v. 1) AV - QB641 U1 - 919.9/2304 PY - 2002///-c2005 CY - Burlington, Ont. PB - Apogee Books KW - Mars Planet KW - Exploration KW - Congresses N1 - Includes bibliographical references; v. 1. Colonizing a new world -- v. 2. Exploring and settling a new world ER -