00820nam a2200217Ia 4500003000900000008004100009040001600050080001500066100002400081245019500105260004300300300002300343490001800366650003200384650001900416650002600435650002100461942000700482999001500489952009800504IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a535.8bBRO  aBrown, M. S.912503 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 filters912504  aNASA Thesaurus  aOptical filters97566  aThin films93173  cBK  c7302d7302  00104070aBANbBANcGENd1983-03-21l0o535.8/ BROp8105r2021-11-05w1983-03-21yBK 16.65