TY  - BOOK
AU  - Burkhardt, G., ed.
AU  - Esser, U., ed.
AU  - Hefele, H., ed
AU  - Heinrich, I., ed.
TI  - Astronomy and astrophysics abstracts: vol. 52A, pt. 2, literature 1990
SN  - 3-540-54336-8
PY  - 1991///
CY  - Berlin
PB  - Springer-Verlag
KW  - Abstracts-Astronomy and Astrophysics
KW  - Astronomy and Astrophysics Abstracts
KW  - Astronomy and Astrophysics Thesaurus
ER  -