TY - BOOK AU - Ryding,Sven-Olof AU - Rast,Walter ED - Unesco. TI - The Control of eutrophication of lakes and reservoirs T2 - Man and the biosphere series SN - 0929858131 : U1 - 628.168 23 PY - 1989/// CY - Paris PB - Parthenon Pub. Group KW - Eutrophication KW - Control KW - Handbooks, manuals, etc N1 - Includes index; Bibliography: p. 283-308 ER -