Mansfield, Edwin
Industrial research and technological innovation an econometric analysis by Edwin Mansfield - 1st ed. - New York Norton 1968 - xviii, 235 p. ill. 24 cm.
Includes bibliographies
Technological innovations--United States
607.2 / MAN/1968
Industrial research and technological innovation an econometric analysis by Edwin Mansfield - 1st ed. - New York Norton 1968 - xviii, 235 p. ill. 24 cm.
Includes bibliographies
Technological innovations--United States
607.2 / MAN/1968