Long term planning of water management
Subtitle: proceedings
By: of the Seminar on long term planning of water management, Zlatni Piasatzi (Bulgaria), 17-22 May 1976, organized by United Nations Economic Commission for Europe.
Contributors: United Nations. Economic Commission for Europe.
Publisher: United Nations
Published: 1976
Place of publication: New-York
Language: eng
Number of pages: 218
Notes: "76.II.E.27 à 29"