DAVIES, Antony. “The Use and Limits of Various Methods of Sampling and Interpretation of Benthic Macro-Invertebrates”. Journal of Limnology 60, no. s1 (September 1, 2001): 1–6. Accessed March 29, 2024. https://www.jlimnol.it/jlimnol/article/view/jlimnol.2001.s1.1.