Diffuse pollution, degraded waters : emerging policy solutions. Paris : OECD, 2017. 118 s. OECD studies on water. Available on Internet: <http://www.oecd-ilibrary.org/environment/diffuse-pollution-degraded-waters_9789264269064-en> ISBN 978-92-64-26905-7. [Copy count : 1, currently available 1, at library only 0]