00448nam a2200157Ia 4500003000900000008004100009020001800050040001600068080001500084100002100099245006400120260003100184300001000215650004100225650002400266IN-BaIIA211028s9999    xx            000 0 eng d  a0-85274-345-9  cIIA Library  a535.8bHOR  aHorne, Douglas F 0aOptical instruments and their applicationscDouglas F Horne  aBristonbAdam Hilgerc1980  a273p.  aAstronomy and astrophysics thesaurus  aOptical instruments