Reports
Folder 11: Heybroek, H. M., J. Kopinga, A. P. W. DeWit, J. K. M. Boekhorst. <emph render='italic'>Urban Forestry and Forest-Planning in the USA,</emph> report on an exchange-visit with Dutch Ministry Agriculture. (Wageningen, Netherlands: National Institute for Research in Forestry and Landscaping, "The Dorschkamp")
Libraries