00740nam a2200229Ia 450000100060000000300050000600500170001100800410002801000150006902000220008404300120010605000220011808200120014010000270015224500930017926000570027230000290032950400390035865000450039765000420044270000260048429468BIBL20160527202952.0840612s1985    inua     b    00110 eng    a 84012392   a0672979918c22.56  an-us---0 aHE7775b.B53 19850 a38421910aBlyth, W. John.2Local10aTelecommunicationsbconcepts, development, and managementcW. John Blyth, Mary M. Blyth.0 aIndianapolisbBobbs-Merrill Educational Pub.cc1985.  axv, 325 p.bill.c25 cm.  aIncludes bibliographies and index. 0aTelecommunicationzUnited States.2Local 0aTelecommunicationxManagement.2Local10aBlyth, Mary M.2Local