1st International Drainage Workshop
1st International Drainage Workshop
NC Contact : Mr. Ir. Bert Pijpers, Treasurer, Duo Advies, Herenstraat 33C, 3512 KB Utrecht
NC Contact : Mr. Ir. Bert Pijpers, Treasurer, Duo Advies, Herenstraat 33C, 3512 KB Utrecht
Date : May 16, 1978 - May 17, 1978
Location : Wageningen, Netherlands