Iskani niz je bil najden v PREVODIH:
Schallquelle
en acoustic generator, acoustic source, noise source, sound generator, sound source, source of sound
Störquelle
en disturbance source, disturbing source, emitter of electromagnetic disturbance, emitter, from the disturbing source, interference producing apparatus, interference source, noise source, radio interference source, radio-interference source, source of disturbance, source