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Measurements of chromospheric densities and geometrical extensions of late-type giant and super-gian

Wing, Robert F., author.
Columbus, OH : Ohio State University Research Foundation; [Washington, D.C.] : National Aeronautics and Space Administration, [1983] 1983

A survey of Mg II h and k emission in near-solar type stars

Doherty, L. R., author.
Madison, WI : Astronomy Department, University of Wisconsin ; [Washington, D.C.] : [National Aeronautics and Space Administration], [1984] 1984

The two types of flare associated filament eruptions

Tang, Frances.
[Washington, D.C.: National Aeronautics and Space Administration, 1986] 1986