Hippel, Eric von.
The sources of innovation / Eric von Hippel. - New York : Oxford University Press, c1988. - xi, 218 p. : ill. ; 25 cm.
Includes index.
Bibliography: p. 123-130.
9780195094220
Technological innovations--Economic aspects.
HC79.T4 / .H56 1988
338/.06
The sources of innovation / Eric von Hippel. - New York : Oxford University Press, c1988. - xi, 218 p. : ill. ; 25 cm.
Includes index.
Bibliography: p. 123-130.
9780195094220
Technological innovations--Economic aspects.
HC79.T4 / .H56 1988
338/.06