00564nam a2200193Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d IIA Library 520.2 PAL Porter, R. W 8532 Photographic giants of palomar R. W. Porter California California Institute of Technology 1968 72p. Astronomy and Astrophysics Thesaurus Telescope Instrumentation 7580 Telescopes 1997 Telescopes Mountings 8533 BK 4797 4797 0 0 0 0 BAN KAV GEN 1975-11-04 0 520.2/ PAL 5364 2021-11-05 1975-11-04 BK