000 00313nam a2200133Ia 4500
001 4686
008 150525s9999 xx 000 0 und d
020 _a0 412 56270 7
100 _aDunlop J
245 _aTelecommuncations Engineering
250 _a3
260 _aLondon
_bChapman & Hall
_c1984
300 _a,;ill.
999 _c34065
_d34065