RT Journal Article SR Electronic T1 Space Station: At the Brink JF Science JO Science FD American Association for the Advancement of Science SP 22 OP 22 DO 10.1126/science.3388015 VO 241 IS 4861 A1 MARSHALL, ELIOT A1 CRAWFORD, MARK YR 1988 UL http://science.sciencemag.org/content/241/4861/22.1.abstract AB