Lakes and reservoirs. Volume 4 : How to involve the public in protecting them from degradation. - Shiga, Japan : UNEP-IETC : ILEC, 2002. - 27p.: col.ill.; 25cm. UNEP-IETC/ILEC vol.4 ISBN: 9280722441 Subjects--Topical Terms: Fresh water.LakesReservoirs Dewey Class. No.: 553.7