RT Journal Article SR Electronic T1 Phobos at Mars: A Dramatic View—and Then Failure JF Science JO Science FD American Association for the Advancement of Science SP 1044 OP 1045 DO 10.1126/science.245.4922.1044 VO 245 IS 4922 A1 WALDROP, M. MITCHELL YR 1989 UL http://science.sciencemag.org/content/245/4922/1044.abstract AB