Ninth Congress on Irrigation and Drainage, (Moscow, 1975) = Neuvieme Congres des Irrigations et du Drainage / International Commission on Irrigation and Drainage ; Vol. 7: Transactions : question 32.2 & communications

Congress on Irrigation and Drainage | TIBKAT | 1975

Ninth Congress on Irrigation and Drainage, (Moscow, 1975) = Neuvieme Congres des Irrigations et du Drainage / International Commission on Irrigation and Drainage ; Vol. 1: Transactions

Congress on Irrigation and Drainage | TIBKAT | 1975

Ninth Congress on Irrigation and Drainage, (Moscow, 1975) = Neuvieme Congres des Irrigations et du Drainage / International Commission on Irrigation and Drainage, Transactions : question 31 = Compte rendu ; Vol. 3: [Planning of development of ground water for irrigation]

Congress on Irrigation and Drainage | TIBKAT | 1975

Ninth Congress on Irrigation and Drainage, (Moscow, 1975) = Neuvieme Congres des Irrigations et du Drainage / International Commission on Irrigation and Drainage, Transactions : question 31 = Compte rendu ; Vol. 4: [Planning of development of ground water for irrigation]

Congress on Irrigation and Drainage | TIBKAT | 1975

Ninth Congress on Irrigation and Drainage, (Moscow, 1975) = Neuvieme Congres des Irrigations et du Drainage / International Commission on Irrigation and Drainage, Transactions : question 32.1 = Compte rendu ; Vol. 5: Comparaison des méthodes modernes d'irrigation y compris celles utilisant un pompage

Congress on Irrigation and Drainage | TIBKAT | 1975