TY  - BOOK
AU  - Branley, Franklyn M.
AU  - Wimmer, Helmut K.
TI  - Experiments in Sky Watching
SN  - 59-11388
U1  - 520 
PY  - 1959///
CY  - New York
PB  - Thomas Y. Crowell Company
KW  - Astronomy
ER  -