607.2
N856E
           Norris, Keith
               The Economics of research and technology \ Keith Norris - London : George Allen and Unwin, 1973.
               172p. - Studies in economics/ ed by Charles Carter; 7 .
                ISBN: 0-04-330227-0

87168
                Subjects: Research; Research and development contacts; Diffusion of innovationsl; Technological innovations.