TY  - BOOK
AU  - Porter, R. W
TI  - Photographic giants of palomar
PY  - 1968///
CY  - California
PB  - California Institute of Technology
KW  - Astronomy and Astrophysics Thesaurus
KW  - Telescope Instrumentation
KW  - Telescopes
KW  - Telescopes Mountings
ER  -