00420nam a22000857a 4500008004100000040005500041245017600096260005200272300001000324230731b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aInnovation in the dissemination of scientific and technical informationc/ Applied Communication Research, Incorporated prepared for National Science Foundation April 1975  aWashington: bUS Department of Commerce, c1975  a399p.