000 00313nam a2200133Ia 4500
008 220201s1974 xx 000 0 eng d
041 _aENG
100 _aDASS, P N
245 0 _aLINE TELEGRAPHY
250 _a3RD
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1974
300 _a203
942 _2ddc
999 _c46417
_d46417