Mariner 9 ultraviolet spectrometer experiment : interstellar absorption at Lyman alpha in OB stars.
1976 ◽
Vol 33
(3)
◽
pp. 544-552
◽
The pioneer venus orbiter ultraviolet spectrometer experiment: Analysis of hydrogen lyman alpha data
1985 ◽
Vol 5
(9)
◽
pp. 129-132
◽
1971 ◽
Vol 76
(28)
◽
pp. 6666-6673
◽