Borger, L., Gross, N., Duncan, R. P., Hulme, P. E., & Wilson, S. (2013). Functional differences between alien and native species: Do biotic interactions determine the functional structure of highly invaded grasslands? Functional Ecology, 27(5), pp. 1262-1272. doi:10.1111/1365-2435.12120

Borger, Luca, Nicolas Gross, Richard P. Duncan, Philip E. Hulme, and Scott Wilson. "Functional Differences between Alien and Native Species: Do Biotic Interactions Determine the Functional Structure of Highly Invaded Grasslands?" Functional Ecology 27, no. 5 (2013): 1262-1272.

Borger, Luca, et al. "Functional Differences between Alien and Native Species: Do Biotic Interactions Determine the Functional Structure of Highly Invaded Grasslands?" Functional Ecology 27.5 (2013): 1262-1272.