00386nam a22001457a 4500008004100000020001500041020001500056082001100071100001400082245005100096260004200147300001300189500001900202700001900221110119t        xxu||||| |||| 00| 0 eng d  a0412122103  a0412122200  a621.38  aBrown, J.  aTelecommunicationscJ. Brown and E.V.D Glazier  aLondon:bChapman and Hall Ltd,c1964.  ax, 382p.  aincludes index  aE.V.D. Glazier