000 00283cam a22000977a 4500
008 180718b1963 xxu||||| |||| 00| 0 eng d
082 _aW84x42 Un3
245 _aInland telephone service in an expanding economy
260 _aLondon
_bHer Majesty's Stationery Office
_c1963
300 _a4p.
999 _c498673
_d498673