Groundwater ecology as a necessary link to the EU water framework directive
Proceedings article published in 2006 by
D. L. Danielopol,
A. Gunatilaka,
C. Griebler,
J. Notenboom,
J. Gibert,
B. Sket,
H. J. Hahn,
G. Messana,
T. Lüders,
J. Griffioen,
J. Liebich,
Hans-Jørgen Albrechtsen
