UNITED NATIONS. ECONOMIC COMMISSION FOR EUROPE. COMMITTEE ON WATER PROBLEMS
RIVER BASIN MANAGEMENT
ECE ECONOMIC STUDIES OF CERTAIN PROBLEMS RELATING TO WATER MANAGEMENT
LONG-TERM PERSPECTIVES FOR WATER USE AND SUPPLY IN THE ECE REGION - REPORT ON RECENT EXPERIENCE AND PROSPECTS FOR TIME HORIZONS 1990 AND 2000,..
LONG-TERM PLANNING OF WATER MANAGEMENT - PROCEEDINGS OF THE SEMINAR, ZLATNI̲PIASATZI (BULGARIA) 17-22 MAY 1976
METHODOLOGY FOR THE COMPILATION OF BALANCES OF WATER RESOURCES AND NEEDS
POLICIES AND STRATEGIES FOR RATIONAL USE OF WATER IN THE ECE REGION
POLICIES FOR INTEGRATED WATER MANAGEMENT - DECLARATIONS OF POLICY AND OTHER DECISIONS OF THE UNITED NATIONS ECONOMIC COMMISSION FOR EUROPE
TRENDS IN WATER RESOURCES USE AND DEVELOPMENT IN THE ECE REGION