00754nam0-22003011i-450-9900010764004033210-19-851831-5000107640FED01000107640(Aleph)000107640FED0100010764020000920d1976----km-y0itay50------baengOpticsW.T. WelfordOxford [etc.]Oxford University Press1976OtticaOttica elettronica535537.56Welford,Walter Thompson62883ITUNINARICAUNIMARCBK99000107640040332127-06710289FI1FI1Optics336193UNINAING01