Bruin, J., Geest, L. P. S. v. d., & Sabelis, M. W. (1999). Ecology and evolution of the acari: Proceedings of the 3rd symposium of the european association of acarologists, 1-5 July 1996, Amsterdam, The Netherlands. Dordrecht: Kluwer Academic Publishers.

Bruin, J., L. P. S. van der Geest, and M. W. Sabelis. Ecology and Evolution of the Acari: Proceedings of the 3rd Symposium of the European Association of Acarologists, 1-5 July 1996, Amsterdam, The Netherlands. Dordrecht: Kluwer Academic Publishers, 1999.

Bruin, J., L. P. S. van der Geest, and M. W. Sabelis. Ecology and Evolution of the Acari: Proceedings of the 3rd Symposium of the European Association of Acarologists, 1-5 July 1996, Amsterdam, The Netherlands. Dordrecht: Kluwer Academic Publishers, 1999.