Beginning in 2016, articles are published online one at a time into open volumes that are updated regularly until complete.
Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2011.
Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212
English, French, or German.
Issued by the European Southern Observatory.
Has supplements: Astronomy & astrophysics. Supplement series, and: Astronomy & astrophysics. Special supplement series.
Description based on: Vol. 315, no. 2 (1996); title from title screen.