ZACHARDA, M., HLUCHÝ, M. Biological control of two-spotted spider mite Tetranychus urticae on strawberries by the predatory phytoseiid mite Typhlodromus pyri. In: POLESNY, F., MULLER, W., OLSZAK, R.W., eds. International Conference on Integrated Fruit Production. Avignon: IOBC/wprs Bulletin, Bulletin OILB/srop, 1996, s. 226-230.