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Sampling statistics forPanonychus ulmi (Koch) (Acarina, Tetranychidae) andTetranychus urticae Koch (Acarina, Tetranychidae) feeding on apple trees |
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| Authors: | Ph. Zahner and J. Baumgaertner |
| Affiliation: | (1) Institut für Phytomedizin, CH-8092 Zürich, Switzerland |
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| 本文献已被 SpringerLink 等数据库收录！ | |