Long-term planning of water management
Subtitle: proceedings of the Seminar on Long-Term Planning of Water Management, Zlatni Piasatzi (Bulgaria) 17-22 May 1976.
Contributors: United Nations. Economic Commission for Europe.
Series: ECE/Water/15
Publisher: United Nations
Published: 1976
Place of publication: New York
Language: eng
Notes: At head of title: Economic Commission for Europe.