00431nam a22001457i 4500001001000000005001700010008004100027082002400068100002000092245005100112260005100163300001700214650003600231020001800267SXC03474020260819093941.0260101s2013    ii            000 0 eng d  a302.23 POE.C-A2222  aPoe, Marshall T10aA history of communications /cPoe, Marshall T  abCambridge Univeristy Press, Cambridge,c2013  ap. ;c22 cm. 0aMass communication & Mass media  a9781107004351