Matches in Library of Congress for { ?s ?p Water quality management European Union countries.. }
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- 00431234 subject "Water quality management European Union countries.".
- 2002500490 subject "Water quality management European Union countries.".
- 2003506133 subject "Water quality management European Union countries.".
- 2004399690 subject "Water quality management European Union countries.".
- 2007029146 subject "Water quality management European Union countries.".
- 2010395767 subject "Water quality management European Union countries.".
- 98120646 subject "Water quality management European Union countries.".
- 98120653 subject "Water quality management European Union countries.".
- 98196747 subject "Water quality management European Union countries.".
- 99519418 subject "Water quality management European Union countries.".