TY - BOOK ED - Unesco. TI - Nature and resources : : 1992 : Bulletin of the International Hydrological Decade / SN - 0028-0844 AV - GB651 .N3 U1 - 551.48 21 CY - Paris PB - UNESCO. KW - Hydrology KW - Periodicals KW - Natural resources KW - Ecology KW - Natuurbehoud KW - gtt KW - Hydrologie KW - Périodiques KW - Ressources naturelles KW - Sols KW - fast KW - ჰიდროლოგია KW - ბუნებრივი რესურსები KW - ეკოლოგია KW - პერიოდიკა N1 - Issues for <1989-> have title: Nature & resources; "Bulletin of the International Hydrological Decade."; Each volume also has a distinctive title; Vol. 24 complete in one no.; issue for 1989 called Special issue, but constitutes v. 25 ER -