ID:DA01973893
AAVSO
A.A.V.S.O
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prepared by Marvin E. Baldwin, Gerard Samolyk
American Association of Variable Star Observers c1999
Available at 1 libraries
prepared by Janet A. Mattei, Elizabeth O. Waagen, E. Grant Foster
American Association of Variable Star Observers c1998
project co-directors Janet Akyüz Mattei, John R. Percy ; curriculum prepared by Donna L. Young
American Association of Variable Star Observers, c1997
edited by John R. Percy, Janet Akyuz Mattei, Christiaan Sterken
Cambridge University Press 1992
Available at 5 libraries
prepared by Charles E. Scovil
American Association of Variable Star Observers, c1990 2nd ed.
Available at 7 libraries
edited by John R. Percy
Cambridge University Press 1986
Available at 13 libraries
American Association of Variable Star Observers
1-7 revised
the American Association of Variable Star Observers
Available at 2 libraries