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Flückiger, Reto; Schmidt, Martin (2006). Contribution of sown wildflower areas to cereal aphid control: from local to landscape scale. IOBC/WPRS Bulletin, 29(6), pp. 41-44. Dijon: International Organization for Biological and integrated Control of Noxious Animals and Plants, West Palaearctic Regional Section IOBC/WPRS
