http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31358415radiant energy measuring devices http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31358415 elemental forces measuring devices BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31358415 spectrometers NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31358415 radiometers NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31358415 actinometers NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31358415 measuring devices, radiant energy UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31358415 radiant energy measuring device UF