00638nam a2200181Ia 4500003000900000008004100009040001600050080001500066100001700081245019500098260004300293300002300336490001800359650002500377650001900402650002000421650001500441IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a535.8bBRO  aBrown, M. S. 0aComputation of the performance of optical interference filters used in focused optical systems having an extended field of viewcM. S. Brown                                                    aAustraliabDepartment of Defencec1949  a[various pagings.]  aWER-TR-1949 A  aInterference filters  aNASA Thesaurus  aOptical filters  aThin films