EFFICIENT and ecologically sound use of irrigation water with special reference to European countries. Varna: 1994.
EFFICIENT and ecologically sound use of irrigation water with special reference to European countries. Varna: 1994.
(1994) EFFICIENT and ecologically sound use of irrigation water with special reference to European countries, Varna:.
(1994). EFFICIENT and ecologically sound use of irrigation water with special reference to European countries. Proceedings of 17th European regional conference on irrigation and drainage, Varna, Bulgaria, 16-22 May 1994 : Vol. 1-. Varna:.
EFFICIENT and ecologically sound use of irrigation water with special reference to European countries: Proceedings of 17th European regional conference on irrigation and drainage, Varna, Bulgaria, 16-22 May 1994 : Vol. 1-. Varna: 1994.