@book{7008c386c8c649cfa18e261ad65e212d,
title = "Some nomographs for calculation of drain spacings",
keywords = "ontwerp, drainagesystemen, hydraulisch geleidingsvermogen, infiltratie, drainage door leidingen, kwel, buisdrainage, design, drainage systems, hydraulic conductivity, infiltration, pipe drainage, seepage, tile drainage",
author = "{van Beers}, W.F.J.",
year = "1965",
language = "English",
series = "Bulletin / International Institute for Land Reclamation and Improvement",
publisher = "ILRI",
number = "no. 8",
address = "Netherlands",
}