Landolt-Börnstein: Numerical Data and Functional Relationships in Science and Technology - New Series " Gruppe/Group 6 Astronomy and Astrophysics " Volume 2 Schaifers/Voigt: Astronomy and Astrophysics / Astronomie und Astrophysik " Interstellar Matter, Galaxy, Universe / Interstellare Materie, die Galaxis, Universum
Book published in 1982 by
P. Biermann,
H. H. Fink,
K. J. Fricke,
W. Gliese,
M. Grewing,
W. K. Huchtmeier,
B. F. Madore,
H. Netzer 
,
J. Rahe,
H. Scheffler,
L. D. Schmadel,
J. Schmid-Burgk,
G. A. Tammann,
J. Trümper,
R. Wielen
and other authors.
,
J. Rahe,
H. Scheffler,
L. D. Schmadel,
J. Schmid-Burgk,
G. A. Tammann,
J. Trümper,
R. Wielen
and other authors.
