Reference

Silvia Blümel, B. Baier, Frederique Bakker, U. Bienert, M. Candolfi, S. Hennig-Push, C. Kühner, B. Jäckel, F. Louis, A. Ufer, A. Waltersdorfer (1998): Current status of a ring-tested method to determine pesticide effects on the predatory mite Typhlodromus pyri (Scheuten) (Acarina: Phytoseiidae) in the laboratory. – unbekannt – 10: 89 - 97.