Pfeiffer, Friedhelm (1999), Human capital and innovation in East and West Germany, in: Michael Fritsch und Horst Brezinski Edward Elgar, Cheltenham, 142-165.
Pfeiffer, Friedhelm (1999), Human capital and innovation in East and West Germany, in: Michael Fritsch und Horst Brezinski Edward Elgar, Cheltenham, 142-165.
