00976nam a2200301 i 450099100120904970753620020507112915.0970308s1979 us ||| | eng b10188824-39ule_instLE00643949ExLDip.to Fisicaita53.0.64539.2'028QC475Grum, F.463695Radiometry /Franc Grum and Richard J. BechererNew York :Academic Press,19791 v. :ill. ;24 cm.Optical radiation measurements ;1Radiation-MeasurementRadiometryBecherer, Richard J..b1018882417-02-1727-06-02991001209049707536LE006 53.0.64 GRU12006000008020le006-E0.00-l- 02020.i1023277127-06-02Radiometry190033UNISALENTOle00601-01-97ma -engus 01