TY  - BOOK
AU  - Harwit, Martin
TI  - Astrophysical concepts
SN  - 0-910533-00-8
PY  - 1973///
CY  - Ithaca
PB  - Concepts
KW  - Astronomy
KW  - Astronomy and astrophysics thesaurus
KW  - Astrophysics
ER  -