TY  - BOOK
AU  - Hynek, Allen J.
AU  - Anderson, Norman.D.
AU  - Anderson, Norman.D.
TI  - Challenge of the universe: a vistas of science book
PY  - 1962///
CY  - New York
PB  - McGraw-Hill
KW  - Astronomy
KW  - Astronomy and Astrophysics Thesaurus
KW  - Universe
ER  -