LEADER 00000nam 2200181 a 4500 001 0448657 003 UkHlHU 007 t 008 002810 1 1971 000 eng 040 UkHlHU 050 4 QC 641 G8 100 0 Gregory, J.M. 245 00 Alternating currents. 260 London :|bMethuen Educational,|c1971. 300 66p. 946 020 absent -- ISBN check required 946 6XX absent
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