LEADER 00000nam 2200193 a 4500 001 0229974 003 UkHlHU 007 t 008 002302 1 1980 000 eng 040 UkHlHU 050 4 HE 8096 P6 100 0 Pitt, Douglas. 245 04 The telecommunications function in the British Post Office. 260 Farnborough :|bSaxon House,|c1980. 300 193p. 650 0 Telegraph communications. 946 020 absent -- ISBN check required
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