Opfergelt, S., Delvaux, B., Cardinal, D., & André, L. (2007). Using delta30Si to follow the soil-plant Si cycling in a weathering sequence of volcanic ash soils, Cameroon. Geochimica et Cosmochimica Acta, 71(15), A741-A741. https://hdl.handle.net/2078.5/71933 (Original work published 2007)