Suzuki, M. T., Béjà, O., Taylor, L. T., & DeLong, E. F. (2001). Phylogenetic analysis of ribosomal RNA operons from uncultivated coastal marine bacterioplankton. Environmental Microbiology, 3(5), 323–331. Portico. https://doi.org/10.1046/j.1462-2920.2001.00198.x