TY  - BOOK
AU  - Protheroe,W.M.
AU  - Capriotti,E.R.
AU  - Newsom,G.H.
TI  - Exploring the universe
SN  - 0675081548
PY  - 1981///
CY  - Columbus
PB  - C. E. Merill Pub. Co.
KW  - Astronomy
ER  -