01000nam a2200241Ia 450000100060000000300050000600500170001100800410002801000200006902000100008905000350009908200240013424501040015826001130026230000370037549000870041250400510049965000340055065000220058465000380060670000270064483000870067117269BIBL20160527184928.0750717s1974    ilua     b    00100 eng    a 75318971 //r85  c10.000 aLB5b.N25 73d, pt. 1aLB1028.3  a370/.8 sa371.3/07800aMedia and symbolsbthe forms of expression, communication, and educationcedited by David R. Olson.0 aChicagobNational Society for the Study of Education : distributed by the University of Chicago Pressc1974.  axvii, 508, viii p.bill.c24 cm.1 aYearbook of the National Society for the Study of Education ; new ser., 73d, pt. 1  aIncludes bibliographical references and index. 0aEducational technology2Local 0aMass media2Local 0aCommunication in education2Local10aOlson, David R.2Local 0aYearbook of the National Society for the Study of Educationvnew ser., 73d, pt. 1.