海量图书期刊资源,随时随地畅享阅读乐趣
Sydney Chapman, 1888–1970Walter Orr Roberts · 1970
Great Plains weatherROBERTS, WALTER ORR; OLSON, ROGER H. · 1975
Sun Clouds and Rain CloudsRoberts, Walter Orr · 1957
Solar prominences and geomagnetic disturbanceWalter Orr Roberts; Dorothy E. Trotter · 1955
Corpuscles from the SunRoberts, Walter Orr · Scientific American · 1955
John M. Wilcox 1925”1983Roberts, Walter Orr; Schatten, Kenneth Howard · Eos, Transactions American Geophysical Union · 1984
Recent progress in solar physicsRoberts, Walter Orr; Zirin, Harold · Journal of Geophysical Research · 1960
Space PhoenixWare, Randolph H.; Rogers, Thomas F.; Padua, David J.; Roberts, Walter Orr · 1988
28. Commission des Nebuleuses ExtragalactiquesBaade, W. · Transactions of the International Astronomical Union · 1960
Astronomy in VenezuelaRosenzweig, Patricia · Transactions of the International Astronomical Union · 2001
The Choice of Small TelescopesCrawford, David L. · Transactions of the International Astronomical Union · 2001
Individual Membership By Adhering CountryTransactions of the International Astronomical Union · 2001
Security of EquipmentOnuora, Lesley I. · Transactions of the International Astronomical Union · 2001
IV. Solar GranulationMuller, R. · Transactions of the International Astronomical Union · 1985
Small Radio Telescopes for EducationMaeda, Koitiro; Tokimasa, Noritaka · Transactions of the International Astronomical Union · 2001
AddendumMcCarthy, M. F. · Transactions of the International Astronomical Union · 1979