TY  - BOOK
ED  - Universite' de Bruxelles
TI  - Astrophysics and gravitation
SN  - 2-8004-0596-1
PY  - 1974///
CY  - Belgique
PB  - Edtions de l'Universite de Bruxelles
KW  - Astronomy and astrophysics thesaurus
KW  - Astrophysics
KW  - Gravitation
ER  -