TY  - GEN
AU  - Hiltner, W. A., Ed.
AU  - 
TI  - Astronomical techniques
U1  - 520.78 
PY  - 1962///
CY  - Chicago
PB  - The University Of Chicago Press
KW  - Astronomy
KW  - Spectrographs
KW  - Photomultipliers
ER  -