000 00243 a2200085 4500
100 1 _aRobertson, J.H..
_eAutor
245 0 _aThe Story of the Telephone /
_cRobertson J.H..
710 2 _aI.Pitman.
_eWydawca
_4pbl
260 _aLondon :
_bI.Pitman,
_c1947.
300 _a;
_c0 cm.
999 _c11224
_d11224