TY - GEN T1 - Vertragliche Regelung des Bibliotheksgroschens / AU - Dorffeldt, Siegfried, VL - 1975 Vol 19 No 8 pages 535-539 ID - 3331 KW - Copyright. KW - COPYRIGHT : PREROGATIVES ACCORDED TO PERSONS OTHER THAN THE AUTHOR : ROYALTIES AND LIBRARY ROYALTIES TI - Vertragliche Regelung des Bibliotheksgroschens / ER -