Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitlePioneer Venus lyman-α observations of comet P/Giacobini-Zinner and the life expectancy of cometary hydrogen.AuthorsCombi, M. R.; Stewart, A. I. F.; Smyth, W. H.PublicationGeophysical Research Letters, 1986, Vol 13, Issue 4, p385ISSN0094-8276Publication typeArticleDOI10.1029/GL013i004p00385