Some nomographs for the calculation of drain spacings
By: W.F.J. van Beers.
Contributors: International Institute for Land Reclamation and Improvement.
Edition: 3rd ed.
Series: Bulletin / International Institute for Land Reclamation and Improvement -- 8; Bulletin -- 8.
Publisher: International Institute for Land Reclamation and Improvement
Published: 1979
Place of publication: Wageningen
Language: eng
Number of pages: 48
Subjects: Drainage.
Notes: Previous ed., 1969.