000 00285pam a2200121a 44500
008 140414b1967 xxu||||| |||| 00| 0 eng d
100 _aGILL, ARCHIBALD J
245 _aTelecommunications
_c
250 _a2 Ed.
260 _adelhi
_bMacmillan
_c1967
700 _aFRASER, W
906 _a2087
999 _c1993
_d1993