TY  - BOOK
AU  - Burkardt, G., ed.
AU  - Esser, U., ed.
AU  - Hefele, H., ed.
AU  - Heinrich, I., ed.
ED  - Burkardt, G., ed.
TI  - Astronomy and astrophysics abstracts: vol. 51B
SN  - 3-540-53533-0
PY  - 1991///
CY  - Berlin
PB  - Springer-Verlag
KW  - Abstracts-Astronomy and Astrophysics
KW  - Astronomy and Astrophysics Thesaurus
ER  -