00358nam a22001217a 4500008004100000020001500041050001900056100002400075245006400099250001200163260004500175300001600220150907b        xxu||||| |||| 00| 0 eng d  a0028387597  aP 90 .S36 1997  aSanders, Markd1997  aCommunication Technology:bToday and TomorrowcMark Sanders  a2nd ed.  aNew York:bGlencoe McGraw - Hill,c1997.  a445p.: ill.