2
by Welfens, Paul J. J.
Published 2002
Springer Berlin Heidelberg

3
by Welfens, Paul J. J., Jungmittag, Andre
Published 2002
Springer Berlin Heidelberg

4
by Welfens, Paul J. J.
Published 2001
Springer Berlin Heidelberg

5
by Welfens, Paul J. J.
Published 1992
Springer Berlin Heidelberg

6
by Welfens, Paul J. J.
Published 2000
Springer Berlin Heidelberg

8
by Welfens, Paul J. J.
Published 1999
Springer Berlin Heidelberg

9
by Welfens, Paul J. J., Graack, Cornelius
Published 1996
Springer Berlin Heidelberg

11
by Welfens, Paul J. J.
Published 1996
Springer Berlin Heidelberg

12
by Welfens, Paul J. J.
Published 1997
Springer Berlin Heidelberg

13
by Welfens, Paul J. J.
Published 1997
Springer Berlin Heidelberg

14
by Welfens, Paul J. J.
Published 1988
Physica-Verlag HD

15
by Welfens, Paul J. J., Audretsch, David B., Addison, John T., Grupp, Hariolf
Published 1998
Springer Berlin Heidelberg

16
by Welfens, Paul J. J.
Published 1999
Springer Berlin Heidelberg

17
by Welfens, Paul J. J.
Published 1991
Springer Berlin Heidelberg

18
by Welfens, Paul J. J.
Published 1994
Springer Berlin Heidelberg

19
by Welfens, Paul J. J., Meyer, Bernd, Pfaffenberger, Wolfgang, Jasinski, Piotr
Published 2001
Springer Berlin Heidelberg

20
by Welfens, Paul J. J., Addison, John T., Audretsch, David B., Gries, Thomas
Published 1999
Springer Berlin Heidelberg