- (TecnicaPeriodici) PRACTICAL ELECTRONICS. Monthly magazine for electronics, radio, CB, 27 MHz enthusiasts. No. 3. March 1985. Articles: Ultrasensitive amplifier. Acoustic and optical timer for technical photographers. Logic probe useful in the practice of digital techniques. Radiotechnics course. Pages of the CB Rosmeter for TX. Etc. pp. 57. Cod. 102156.SC2
