- document
- Bruinenberg, P.M. (author), Van Dijken, J.P. (author), Kuenen, J.G. (author), Scheffers, W.A. (author) journal article 1985
- document
- Bruinenberg, P.M. (author), Van Dijken, J.P. (author), Kuenen, J.G. (author), Scheffers, W.A. (author) journal article 1985