. . "Matériaux optiques Congrès." . . . . . . . . . . "Conference papers and proceedings" . "Conference papers and proceedings"@en . . "Adaptive optical components March 30-31, 1978, Washington, D.C"@en . . "Adaptive optical components : March 30-31, 1978, Washington, D.C" . . . . . . "Society of Photo-optical Instrumentation Engineers." . .