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Conference on Seyfert Galaxies and Related Objects (1969 : Arizona)
Seyfert galaxies and related objets / prepared by A. G. Pacholczyk and R. J. Weymann.
— Arizona : Universidad of Arizona, 1968. [400] p. (anilladas).
Proceedings of the Conference on Seyfert Galaxies and Related Objects, Steward Observatory, University of Arizona, February 14, 15, 16, 1968.
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