Land evaluation for rural purposes: summary of an expert consultation, Wageningen, the Netherlands, 6-12 October 1972 chairman: Prof. Dr. J. Bennema
Brinkman, R. ed.Bennema, J.Unknown (Wageningen, The Netherlands, 1983) (eng) EnglishUnknownInternational Institute for land Reclamation and Improvement Publication no. 17UnknownUnknownUnknownUnknown