000 00252nam a2200097 4500
080 _a621.317.33
_b: 546.56 PRE.64
245 _aCopper coductors for overhead lines
100 _aPreston, G.W
700 _aCopper Development Association
260 _aLondon
_bCDA
_c1964
300 _a57p
999 _c25178
_d25178