TY  - BOOK
AU  - Mason,Douglas R.
TI  - Horizon Alpha
T2  - Ballantine Books,
AV  - PR6063.A76 H6x 1971
PY  - 1971///]
CY  - New York
PB  - Ballantine Books
UR  - http://www.archive.org/details/horizonalpha00maso
UR  - http://www.openlibrary.org/books/OL24240569M
ER  -