Steffan-Dewenter, IngolfIngolfSteffan-DewenterTscharntke, TejaTejaTscharntke2017-09-072017-09-072004https://resolver.sub.uni-goettingen.de/purl?gro-2/6844enButterfly community structure in fragmented habitatsjournal_article10.1111/j.1461-0248.2000.00175.x3150115