Devadhanam Joubert, E. and Pillay, B. (2008) “Visualisation of the microbial colonisation of a slow sand filter using an Environmental Scanning Electron Microscope”, Electronic Journal of Biotechnology. Valparaíso, Chile, 11(2), pp. 0–0. Available at: https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v11n2-12 (Accessed: 24 November 2024).