Some monographs for the calculation of drain spacings
VAN BEERS, W.F.J
Some monographs for the calculation of drain spacings - Wageningen, The Netherlands 1965 - 48p - International Institute for Land Reclamation and Improvement .
RECLAMATION OF LANDS
DRAINAGE RECLAMATION OF LANDS
627.54 V19S
Some monographs for the calculation of drain spacings - Wageningen, The Netherlands 1965 - 48p - International Institute for Land Reclamation and Improvement .
RECLAMATION OF LANDS
DRAINAGE RECLAMATION OF LANDS
627.54 V19S