Reference:
DURRER, Stephan; SCHMID‐HEMPEL, Paul. Parasites and the regional distribution of bumblebee species. Ecography, 1995, 18.2: 114-122.URL:
https://www.deepdyve.com/lp/wiley/parasites-and-the-regional-distribution-of-bumblebee-species-0bhdMlm7Bq?articleList=%2Fsearch%3Fquery%3DParasites%2Band%2Bthe%2BRegional%2BDistribution%2Bof%2BBumblebee%2BSpeciesLiterature
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