000 00508nam a2200169 4500
001 3715
005 20130610094944.0
008 111112s9999 xx 000 0 und d
020 _ahard cover
050 _aTK6015
_b.A85 1975
100 1 _a"atkinson, j . "
_917066
245 1 0 _aTELEPHONY:a detailed exposition of the telephone exchange...:
_bvolume i/
_c j.. atkinson
250 _a1 ed.
260 _auk :
_bpitman
_c1948.
300 _a"xii, 514p.;
_c25 cm."
942 _2lcc
_cBK
_hTK6015
_k.A85 1975
999 _c22925
_d22925