00456nam a2200169Ia 4500003000900000008004100009040001600050080001500066245006000081260003600141300001000177650001900187650002400206650002100230650001100251700002400262IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a535.8bGEN 0aGeneration of optical surfacescedited by K. G. Kumanin  aLondonbThe Focal Libraryc1962  a476p.  aNASA thesaurus  aOptical instruments  aOptical surfaces  aOptics  aKumanin, K. G., ed.