Vishnivetskaya, T.A., A.C. Layton, M.C.Y. Lau, A. Chauhan, K.R. Cheng, A.J. Meyers, J.R. Murphy, et al. 2014. “Commercial DNA Extraction Kits Impact Observed Microbial Community Composition in Permafrost Samples”. FEMS Microbiology Ecology 87: 217-30. doi:10.1111/1574-6941.12219.