Produkt mají v nabídce:
Literature 1974, Part 2 - Bohme, S. a Esser, U. a Fricke, W. a Guntzel-Lingner, U. a Henn, F. a Krahn, D. a Scholl, H. a Zech, G.
Astronomy and Astrophysics Abstracts, which has appeared in semi-annual volumes since 1969, is de voted to the recording, summarizing and indexing of astronomical publications throughout the world.
