H-P. Kahle, T. Karljalainen, A. Schuck, G I. Agren, S. Kellomaki, K. Mellert, J. Prietzel, K-E. Rehfuess, H. Spiecker, P. Kambewa, B. Mataya, K. Sichinga, T. Johnson, V.A. Sample, S. Anderson, F. Schmithüsen, D.D. des Deserts, D. C. Le Master, P. Harou
International Forestry Review 10 (4), 695-707, (1 December 2008) https://doi.org/10.1505/ifor.10.4.695