Transactions // Congress on Irrigation and Drainage = Compte rendu // Congress on Irrigation and Drainage / International Commission on Irrigation and Drainage ; 11., Grenoble 1981. volume 4: Question 37

Katalog Agrar | 1981

Transactions // Congress on Irrigation and Drainage = Compte rendu / Congress on Irrigation and Drainage / International Commission on Irrigation and Drainage ; 11., Grenoble 1981. volume 2: Question 36, part 1

Katalog Agrar | 1981

Transactions // Congress on Irrigation and Drainage = Compte rendu // Congress on Irrigation and Drainage / International Commission on Irrigation and Drainage ; 11., Grenoble 1981. volume 3: Question 36, part 2

Katalog Agrar | 1981

Transactions // Third Congress on Irrigation and Drainage = Compte rendu // Troisieme Congrès des Irrigations et du Drainage / International Commission on Irrigation and Drainage ; Vol. 1

International Commission on Irrigation and Drainage | TIBKAT | 1957

Transactions // Third Congress on Irrigation and Drainage = Compte rendu // Troisieme Congrès des Irrigations et du Drainage / International Commission on Irrigation and Drainage ; Vol. 3

International Commission on Irrigation and Drainage | TIBKAT | 1957