Daniel, Claudia and Wyss, Eric (2004) Wirkung verschiedener Insektizide und Repellentien gegen den Gemeinen Birnenblattsauger (Cacopsylla pyri). [Efficacy of different insecticides and a repellent against the European pear sucker (Cacopsylla pyri).] 11th International Conference on Cultivation Technique and Phytopathological Problems in Organic Fruit-Growing, Weinsberg, Deutschland, 04.-05.02.2004. In: Fördergemeinschaft Ökologischer Obstbau e.V.: 11th Conference on Cultivation Technique und Phytopathological Problems in Organic Fruit Growing. Proceedings to the Conference February 3rd to 5th 2004 at Weinsberg / Germany. D-Weinsberg.