000 00324nam a2200121Ia 4500
001 5101
008 150525s9999 xx 000 0 und d
020 _a0-408-00352-9
100 _aDanielson George
245 _aTelecommunications Systems For Technicians 1
250 _a0
260 _aLondon
_bButterworth & Co (Pub)Ltd
_c1979
999 _c34912
_d34912