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APA Citation
Schwörer, C., Gavin, D. G., Walker, I. R., & Hu, F. S. (n.d.). holocene tree line changes in the Canadian Cordillera are controlled by climate and topography. Journal of biogeography, 44, 1148–1159. http://access.bl.uk/ark:/81055/vdc_100045510915.0x000054