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1993ApJ...417..474K - Astrophys. J., 417, 474-486 (1993/November-1)
The gravitational lens hypothesis for the ring in A 2218.
KASSIOLA A. and KOVNER I.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Cosmology: Gravitational Lensing - Galaxies: Clusters: Individual Alphanumeric: A2218
Simbad objects: 13
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