海量图书期刊资源,随时随地畅享阅读乐趣
The ratio of total to selective absorption in the galaxyJ. G. Ireland; K. Nandy · 1969
The ratio of total to selective absorption in dark cloudsD. C. B. Whittet; I. G. Breda · 1975
The Ratio of Total to Selective Absorption in the RHO Ophiuchi CloudWhittet, D. C. B. · Monthly Notices of the Royal Astronomical Society · 1974