Water quality management by regional authorities in the Ruhr area with special emphasis on the role of cost assessment
1963 ◽
Vol 11
(1)
◽
pp. 229-250
◽
Keyword(s):
2005 ◽
Vol 11
(1)
◽
pp. 229-250
Keyword(s):
Keyword(s):
2003 ◽
Vol 88
(5)
◽
pp. 498-507
◽
Keyword(s):
1987 ◽
Vol 6
(2)
◽
pp. 143-144
Keyword(s):