'Nitrates' directive (91/676/EEC) - status and trends of aquatic environment and agricultural practice : development guide for member states' reports

Författare
(European Commission, Directorate-General for Environment.)
Språk
Engelska
Förlag År Ort Om boken ISBN
Office for Official Publications of the European Communities, Bernan Associates distributor 2000 Luxemburg, Luxembourg, Lanham, MD 42 sidor. col. ill. 25 cm