1. Apps, M. J., Kurz, W. A., Luxmoore, R., Nilsson, L.-O., Sedjo, R. A., Schmidt, R., Simpson, L. G., and Vinson, T. S.: 1993, This volume.
2. Apps, M. J. and Kurz, W. A.: 1993, This volume.
3. Botkin, D. B. and Simpson, L. G.: 1990,Biogeochemistry 9, 161.
4. Botkin, D. B. and Simpson, L. G.: 1993, This volume.
5. Brown, S., Lugo, A. E., and Iverson, L. R.: 1992,Water, Air, and Soil Poll. 64, 139.