Kayser, R. Ed. Schramm, T. Ed. Nieser, L. Ed.
Gravitational lenses Proceedings, Conference, Hamburg, Germany, 1991 - Berlin Springer-Verlag 1992 - 399 - Lecture notes in physics ; 00406 .
3540557970
53 LNP
Gravitational lenses Proceedings, Conference, Hamburg, Germany, 1991 - Berlin Springer-Verlag 1992 - 399 - Lecture notes in physics ; 00406 .
3540557970
53 LNP