TY  - BOOK
ED  - Astronomy Survey Committee (National Academy Press (U.S.))
TI  - Challenges to astronomy and astrophysics
SN  - 0-309-03335-7
PY  - 1983///
CY  - Washington
PB  - National Academy Press
KW  - Astronomy
KW  - Astronomy and astrophysics thesaurus
ER  -