(Q40415599)
Statements
Regional scale evidence for improvements in surface water chemistry 1990-2001 (English)
Skjelkvåle BL
Jeffries DS
Høgåsen T
Bowman J
Mannio J
Monteith DT
Mosello R
Rzychon D
Vesely J
Wieting J
Wilander A
Worsztynowicz A
1 September 2005