RT Journal Article SR Electronic T1 Deuteronomy?: A Puzzle of Deuterium and Oxygen on Mars JF Science JO Science FD American Association for the Advancement of Science SP 1545 OP 1546 DO 10.1126/science.280.5369.1545 VO 280 IS 5369 A1 Yung, Yuk L. A1 Kass, David M. YR 1998 UL http://science.sciencemag.org/content/280/5369/1545.abstract