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

Catalogue agriculture | 1981

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

Catalogue agriculture | 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

Catalogue agriculture | 1981

Transactions // Seventh Congress on Irrigation and Drainage = Compte rendu // Septième Congrès des Irrigations et du Drainage / International Commission on Irrigation and Drainage ; Vol. 4: Question 24

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. 2: Question 23

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