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

Katalog Agrar | 1981

Transactions // Seventh Congress on Irrigation and Drainage = Compte rendu // Septième Congrès des Irrigations et du Drainage / International Commission on Irrigation and Drainage ; Vol. 6: Question 26

International Congress on Irrigation and Drainage / International Commission on Irrigation and Drainage | TIBKAT | 1969

Transactions // Seventh Congress on Irrigation and Drainage = Compte rendu // Septième Congrès des Irrigations et du Drainage / International Commission on Irrigation and Drainage ; Vol. 3: Question 23

International Congress on Irrigation and Drainage / International Commission on Irrigation and Drainage | TIBKAT | 1969