PRINCIPIU DOPPLER / principe de Doppler / Doppler prin- ciple. [Christian Johann Doppler, fizicwn fi matemalician austriac, 1803-1853.} V. efect Doppler-Fizeau.
PRINCIPIU DOPPLER / principe de Doppler / Doppler prin- ciple. [Christian Johann Doppler, fizicwn fi matemalician austriac, 1803-1853.} V. efect Doppler-Fizeau.