LEADER 00000nam 2200241 a 4500 001 0482299 003 UkHlHU 007 t 008 000212 1 1976 000 eng 040 UkHlHU 050 4 |fq|aTK 7872 P9 B4 100 0 Bennett, G. H. 245 00 Pulse code modulation and digital transmission. 260 St Albans :|bMarconi Instruments Ltd.,|c1976. 300 116p. 650 0 Electronics. 650 0 Electric telephony. 700 0 Marconi Instruments Limited. 946 020 absent -- ISBN check required
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