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- [3] A PULSE-FREQUENCY VOLTAGE CONVERTER INSTRUMENTS AND EXPERIMENTAL TECHNIQUES-USSR, 1965, (04): : 986 - &
- [4] Pulse-Frequency Characteristics in Bifurcation Problems Automation and Remote Control, 2002, 63 : 723 - 729
- [9] AN EASILY ASSEMBLED PULSE-FREQUENCY RECORDER PROCEEDINGS OF THE SOCIETY FOR EXPERIMENTAL BIOLOGY AND MEDICINE, 1948, 67 (02): : 240 - 242