TY  - BOOK
AU  - Messel, H
AU  - 
TI  - Solar energy
U1  - 523.72:620.91 
PY  - 1975///
CY  - Oxford
PB  - Pergamon Press
KW  - Astronomical physics
KW  - Physics, Astronomical
KW  - Astrophysics
KW  - Spectroscopy
KW  - black holes
KW  - Spectrum analysis
KW  - Astronomy
KW  - Physics
KW  - Stars
KW  - Solar energy
ER  -