Nomikou, M. (2003). Combatting whiteflies: predatory mites as a novel weapon. [Thesis, fully internal, Universiteit van Amsterdam]. IBED, Universiteit van Amsterdam.
Boot, W. J. (1995). Invasion of Varroa mites into honey bee brood cells. [Thesis, fully external, Landbouw Universiteit Wageningen]. Ponsen en Looyen.