Transactions // 15th International Congress on Irrigation and Drainage : The Hague, the Netherlands, 1993 = Actes // 15ème Congrès International des Irrigations et du Drainage / International Commission on Irrigation and Drainage, ICID ; 1G: Special session = Session spéciale; Symposium

Katalog Agrar | 1993

Transactions // 15th International Congress on Irrigation and Drainage : The Hague, the Netherlands, 1993 = Actes // 15ème Congrès International des Irrigations et du Drainage / International Commission on Irrigation and Drainage, ICID ; 1H: General reports = Rapports généraux : [Question 44; Question 45; Special session]

Katalog Agrar | 1993

Transactions // 15th International Congress on Irrigation and Drainage : The Hague, the Netherlands, 1993 = Actes // 15ème Congrès International des Irrigations et du Drainage / International Commission on Irrigation and Drainage, ICID ; 1A: Question 44: R 1 - R 35

Katalog Agrar | 1993

Transactions // 15th International Congress on Irrigation and Drainage : The Hague, the Netherlands, 1993 = Actes // 15ème Congrès International des Irrigations et du Drainage / International Commission on Irrigation and Drainage, ICID ; 1F: Question 45 ; R 30 - R 49

Katalog Agrar | 1993

Transactions // 15th International Congress on Irrigation and Drainage : The Hague, the Netherlands, 1993 = Actes // 15ème Congrès International des Irrigations et du Drainage / International Commission on Irrigation and Drainage, ICID ; 1D: Question 44 ; R 104 - R 118

Katalog Agrar | 1993