TY  - BOOK
T1  - UFO's--a scientific debate.
DA  - [1972]
CY  - Ithaca [N.Y.]
AU  - Sagan, Carl,
AU  - Page, Thornton
CN  - TL789.A1
CN  - TL789.A1
PB  - Cornell University Press
PP  - Ithaca [N.Y.]
PY  - [1972]
N1  - Papers presented at a symposium sponsored by the American Association for the Advancement of Science, held in Boston on Dec. 26-27, 1969.
ID  - 72197
KW  - Unidentified flying objects
KW  - Unidentified flying objects.
SN  - 0801407400
TI  - UFO's--a scientific debate.
ER  -