AMBRÓZY, A. SOME NEW TIME VARYING SMOOTHING CIRCUITS FOR DIRECT READING NOISE MEASUREMENT Periodica Polytechnica Electrical Engineering, [S. l.], v. 12, n. 1, p. 61–70, 1968. Disponível em: https://pp.bme.hu/ee/article/view/5159. Acesso em: 18 may. 2024.