00494nam a2200169Ia 4500003000900000008004100009040001600050080001500066100001700081245004900098260005700147300000900204650004100213650003000254650001500284650002500299IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a520.2bPAL  aPorter, R. W 0aPhotographic giants of palomarcR. W. Porter  aCaliforniabCalifornia Institute of Technologyc1968  a72p.  aAstronomy and Astrophysics Thesaurus  aTelescope Instrumentation  aTelescopes  aTelescopes Mountings