Theodore J Crovello
Christopher Newsholme
Unknown Author
Olaf Hagerup
F. M. Schulzen
R. N. Parker
United States. Forest Service
Theodore J. Crovello
Stefan Białobok
Pakistan Forest Institute. Mensuration and Management Branch.
William Paulgrave Ellmore
George Wilkinson
Eberhard Weber
Carolyn Glynn
Ahmed Mozahrul Huq
Stanley Christopher Warren-Wren
Nathalie Tordjman