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APA Citation
Støstad, H. N., Rekdal, S. L., Kleven, O., Laskemoen, T., Marthinsen, G., Johnsen, A., & Lifjeld, J. T. (2016). weak geographical structure in sperm morphology across the range of two willow warbler Phylloscopus trochilus subspecies in Scandinavia. Journal of avian biology, 47, 731–741. http://access.bl.uk/ark:/81055/vdc_100036426880.0x000048