000 00293 a2200085 4500
100 1 _aMartin, James.
_eAutor
245 0 _aFuture Developments in Telecommunications /
_cMartin James.
710 2 _aPrentice-Hall.
_eWydawca
_4pbl
260 _aEnglewood Cliffs, N.J. :
_bPrentice-Hall,
_c1971.
300 _aXIII, 413 s.;
_c25 cm.
999 _c7628
_d7628