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- [21] DESIGN OF VERY-LOW-FREQUENCY DIGITAL OSCILLATORS IEE PROCEEDINGS-G CIRCUITS DEVICES AND SYSTEMS, 1984, 131 (03): : 93 - 102
- [22] ANTHORN VERY-LOW-FREQUENCY RADIO STATION POST OFFICE ELECTRICAL ENGINEERS JOURNAL, 1965, 58 : 114 - &
- [26] PRECISION ANALYZER FOR VERY-LOW-FREQUENCY AND LOW-FREQUENCY SPECTRUM INSTRUMENTS AND EXPERIMENTAL TECHNIQUES-USSR, 1969, (06): : 1501 - +
- [28] SPECTROMETER REVEALS VERY-LOW-FREQUENCY BANDS IN SUPERLATTICES LASER FOCUS WORLD, 1990, 26 (03): : 25 - 26