000 00288nam a2200121Ia 4500
008 211209s1968 xx 000 0 und d
041 _aeng
082 _a621.385 N68 ATK
100 _aATKINSON G
245 _aTELEPHONY
260 _aLONDON
_bSIR ISAAC PITMAN AND SONS
_c1968
300 _a526
999 _c5481
_d5481