1
by Welfens, Paul J. J.
Published 1994
Springer Berlin Heidelberg

2
by Welfens, Paul J. J.
Published 1991
Springer Berlin Heidelberg

3
by Welfens, Paul J. J., Meyer, Bernd, Pfaffenberger, Wolfgang, Jasinski, Piotr
Published 2001
Springer Berlin Heidelberg

4
by Welfens, Paul J. J., Graack, Cornelius
Published 1996
Springer Berlin Heidelberg

6
by Welfens, Paul J. J.
Published 2002
Springer Berlin Heidelberg

7
by Welfens, Paul J. J.
Published 1999
Physica-Verlag HD

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

10
by Welfens, Paul J. J., Jungmittag, Andre
Published 2002
Springer Berlin Heidelberg

11
by Welfens, Paul J. J., Addison, John T., Audretsch, David B., Gries, Thomas
Published 1999
Springer Berlin Heidelberg

12
by Welfens, Paul J. J.
Published 2001
Springer Berlin Heidelberg

14
by Welfens, Paul J. J.
Published 1992
Springer Berlin Heidelberg

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

18
by Welfens, Paul J. J.
Published 1997
Springer Berlin Heidelberg

19
by Welfens, Paul J. J.
Published 1999
Springer Berlin Heidelberg

20
by Welfens, Paul J. J.
Published 1997
Springer Berlin Heidelberg