RT Journal Article SR Electronic T1 The Spectrum of Comet Austin JF Science JO Science FD American Association for the Advancement of Science SP 452 OP 452 DO 10.1126/science.253.5018.452 VO 253 IS 5018 A1 SLANGER, TOM G. YR 1991 UL http://science.sciencemag.org/content/253/5018/452.1.abstract AB