TY  - BOOK
AU  - Lena, P. 
AU  - Lebrun,  F. 
AU  - Mignard, F.
TI  - Observational astrophysics
SN  - 3-540-63482-7
PY  - 1996///
CY  - Newyork
PB  - Springer-Verlag
KW  - Astrophysics, astronomy
ER  -