TY - BOOK AU - Duschl,W.J. AU - Wagner,S.J. TI - Physics of active galactic nuclei: proceedings of the international conference, Heidelberg, 3-7 June 1991 SN - 3540555544 (SpringerVerlag Berlin Heidelberg New York : acidfree paper) AV - QB858.3 .P49 1992 U1 - 523.1/12 20 PY - 1992/// CY - Berlin PB - Springer-Verlag KW - Active galaxies KW - Congresses KW - Galactic nuclei N1 - Includes bibliographical references and index ER -