Hiroyuki Ii, and Akio Nishida. “EFFECTIVENESS OF USING RIVER INSECT LARVAE AS AN INDEX OF CU, ZN AND AS CONTAMINATIONS IN RIVERS, JAPAN”. GEOMATE Journal 12, no. 33 (January 18, 2017): 153–159. Accessed November 3, 2024. https://geomatejournal.com/geomate/article/view/1254.