000 00313nam a2200121Ia 4500
008 220201s1966 xx 000 0 eng d
041 _aENG
100 _aDASS, P N
245 0 _aINTRODUCTION TO AUTOMATIC TELEPHONY
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1966
300 _a226
942 _2ddc
999 _c44251
_d44251