TY - DATA AU - D'Onofrio, Mauro., editor. TI - Fifty Years of Quasars SN - 9783642275647, 978-3-642-27564-7 U1 - 520, PY - 2012/// CY - Berlin, Heidelberg PB - Springer Berlin Heidelberg, Imprint: Springer KW - Astronomy, Astrophysics and Cosmology KW - Astronomy KW - Physics N1 - Physics and Astronomy (Springer-11651) UR - http://dx.doi.org/10.1007/978-3-642-27564-7 ER -