- document
- Lumbreras, M. (author), Protas, J. (author), Jebbari, S. (author), Dirksen, G.J. (author), Schoonman, J. (author) journal article 1986
- document
- Lumbreras, M. (author), Protas, J. (author), Jebbari, S. (author), Dirksen, G.J. (author), Schoonman, J. (author) journal article 1986