Interstellar Matter, Galaxy, Universe / Interstellare Materie, die Galaxis, Universum (Landolt-Boernstein: Numerical Data and Functional Relationships in Science and Technology - New Series, 2c)
Biermann, P.／Fink, H.H.／Fricke, K.J.／Gliese, W.／Grewing, M.／Huchtmeier, W.K.／Madore, B.F.／Netzer, H.／Rahe, J.／Scheffler, H.／Schmadel, L.D.／Schmid-Burgk, J.／Tammann, G.A.／Truemper, J.／Wielen, R.／Witzel, A.／Zech, G.
