ISBN 9789027719201 books & textbook
The Milky Way Galaxy: Proceedings of the 106th Symposium of the International Astronomical Union Held in Groningen, The Netherlands 30 May – 3 June, ... Astronomical Union Symposia, 106)
van Woerden, Hugo Allen, Ronald J. Burton, W.B.
Springer /1985-02-28 Paperback / 676 Pages
isbn-10: 9027719209 / isbn-13: 9789027719201
