UN. ECE
Strategies for Monitoring and Assessment of Transboundary Rivers, Lakes and Groundwaters - 2006 United Nations
9211169518
GUIDELINES
INTERNATIONAL WATERCOURSES
WATER QUALITY MANAGEMENT
WATER MANAGEMENT
ENVIRONMENTAL MONITORING
Strategies for Monitoring and Assessment of Transboundary Rivers, Lakes and Groundwaters - 2006 United Nations
9211169518
GUIDELINES
INTERNATIONAL WATERCOURSES
WATER QUALITY MANAGEMENT
WATER MANAGEMENT
ENVIRONMENTAL MONITORING