E. B. Vermeer (editor)

O. B. Smith / H. G. Bosman ( Ed. )

E.D. Ungar

Bor, v. d., J. C. M. Shute and G. A. B. ( Ed. ) Moore

J. C. Zadoks (ed.)

E. Westphal
P.C.M. Jansen (eds.)

Keulen, H.v., Wolf, J.

C. D. van Loon

Luite Bos

R. Rabbinge

Dorschkamp Research Institute for Forestry and Landscape Planning

Rob H. G. Jongman

Frits W. T. Penning de Vries

T.E. Galesloot and B.J. Tinbergen