Mörsdorf, M. A., Ravolainen, V. T., Støvern, L. E., Yoccoz, N. G., Jónsdóttir, I. S., & Bråthen, K. A. (2015). Definition of sampling units begets conclusions in ecology: The case of habitats for plant communities. PeerJ.

Mörsdorf, Martin A., Virve T. Ravolainen, Leif Einar Støvern, Nigel G. Yoccoz, Ingibjörg Svala Jónsdóttir, och Kari Anne Bråthen. "Definition of Sampling Units Begets Conclusions in Ecology: The Case of Habitats for Plant Communities." PeerJ 2015.

Mörsdorf, Martin A., et al. "Definition of Sampling Units Begets Conclusions in Ecology: The Case of Habitats for Plant Communities." PeerJ 2015.