ISBN 3642080960 books & textbook
Active Galactic Nuclei: Saas-Fee Advanced Course 20. Lecture Notes 1990. Swiss Society for Astrophysics and Astronomy
Blandford, R.D. D. Netzer, H. Woltjer, L. Courvoisier, T.J.-L. Mayor, M.
Springer /2010-12-06 Paperback / 292 Pages
isbn-10: 3642080960 / isbn-13: 9783642080968
