Asman, W. A. H., Andreae, M. O., Conrad, R., Denmead, O. T., Ganzeveld, L. N., Helder, W., et al. (1998).
Working group report how can fluxes of trace gases be validated between different scales? In A. F. Bouwman (Ed.),
Approaches to Scaling of Trace Gas Fluxes in Ecosystems (pp. 87-97). Amsterdam: Elsevier
Science Bv.