Bruce Zobel
Jonathan W. Wright
M. Sedgley
N. D. G. James
R. Harahap
Hans Stubbe
Sandeep Kumar
Carl Syrach Larsen
Shri Mohan Jain
R. William Thomas
Arthur Glenn Chapman
Namio Ooyama
Viktor Petrovich Bobrinev
Colloque international sur la culture "in vitro" des essences forestières (1981 Fontainebleau, France)
F. Bergmann
D. T. Cooper
S. Mohan Jain
Nancy Glover
Ernst Rohmeder
Society of American Foresters. Division of Silviculture. Committee on Forest Tree Improvement.