TY  - BOOK
AU  - Sagan, Carl , 1934-
ED  - American Association for the Advancement of Science
TI  - UFO's - - a scientific debate
SN  - 0801407400
AV  - TL789.A1U23 
PB  - Cornell University Press
KW  - Unidentified flying objects - Congresses
KW  - TL
N1  - Papers presented at a symposium sponsored by the American Association for the Advancement of Science, held in Boston on Dec. 26-27, 1969; Includes bibliographies
ER  -