00686nam a2200169Ia 450000100060000000300050000600500170001100800410002801000170006911000610008624501850014726000550033230000260038750400290041365000350044270000390047784766BIBL20160527203633.0920831s1960 ilu b 00010 eng  abev00000541 20aNational Educational Television and Radio Center.2Local14aThe impact of educational televisionbselected studies from the research sponsored by the National Educational Television and Radio Centercedited for the center by Wilbur Schramm.0 aUrbana, Illi.bUniversity of Illinois Pressc1960. aviii, 247 p.bgraphs. aIncludes bibliographies. 0aTelevision in education2Local10aSchramm, Wilbur Langd1907-2Local