000 00357nam a2200157Ia 4500
001 6999
008 141107s9999 xx 000 0 und d
020 _a0 273 01123 4
100 _aSmale P
245 _aTelecommunication Systems Tec Level 1
250 _a0
260 _aLondon
260 _bPitman Publishing Ltd
260 _c1978
300 _a,;ill.
999 _c38545
_d38545