TY  - BOOK
AU  - Menzel,Donald Howard
TI  - Flying saucers
U1  - 629.13 
PY  - 1953///
CY  - Cambridge.
PB  - Harvard University Press
KW  - Unidentified flying objects
KW  - Local
N1  - Bibliographical references included in "Notes" (p. [311]-313)
ER  -