Proceedings of the 8th International Symposium on Insect-Plant RelationshipsSteph B. J. Menken, J. H. Visser, Paul Harrewijn · First published 2012Open the Tome
New trends in the history of scienceRobert Paul Willem Visser, J. J. M. Bos, L. C. Palm, H. A. M. Snelders · First published 1989Open the Tome
