Sun, X., A. Wang, L. Yang, L. Guo, Q. Chen, Z. Hu, L. Jiang, and L. Xiao. “Spatial Distribution of Ammonia-Oxidizing Archaea and Bacteria across Eight Freshwater Lakes in Sediments from Jiangsu of China”. Journal of Limnology, vol. 73, no. 2, Mar. 2014, doi:10.4081/jlimnol.2014.905.