Grupp, H.
Foundations of the economics of innovation: Theory, measurement and practice - Cheltenham, UK Edward Elgar 1998 - xviii, 521p. - New horizons in the economics of innovation .
1-85898-716-4
Foundations of the economics of innovation: Theory, measurement and practice - Cheltenham, UK Edward Elgar 1998 - xviii, 521p. - New horizons in the economics of innovation .
1-85898-716-4