Some nomographs for the calculation of drain spacings
W.F.J. Van Beers
Some nomographs for the calculation of drain spacings - Wageningen International Institute for Land Reclamation and Improvement 1969 - 48p
W.F.J. Van Beers: Some nomographs for the calculation of drain spacings. Wageningen. International Institute for Land Reclamation and Improvement, 1969.--(631.6VAN)
ENGLISH
631.6 / IIL
Some nomographs for the calculation of drain spacings - Wageningen International Institute for Land Reclamation and Improvement 1969 - 48p
W.F.J. Van Beers: Some nomographs for the calculation of drain spacings. Wageningen. International Institute for Land Reclamation and Improvement, 1969.--(631.6VAN)
ENGLISH
631.6 / IIL