RT Journal Article SR Electronic T1 The Martian Environment JF Science JO Science FD American Association for the Advancement of Science SP 683 OP 683 DO 10.1126/science.147.3659.683 VO 147 IS 3659 A1 Abelson, Philip H. YR 1965 UL http://science.sciencemag.org/content/147/3659/683.abstract AB