TY  - BOOK
AU  - Schneider, P.
AU  - Ehlers, J.
AU  - Falco, E. E.
TI  - Gravitational lenses
T2  - Atronomy and astrophysics library
SN  - 3-540-97070-3
PY  - 1992///
CY  - Berlin
PB  - Springer-Verlag
KW  - Astronomy and astrophysics thesaurus
KW  - Black holes
KW  - Gravitational lenses
ER  -