@misc{indiciae1b7936f80537, title = {Changing sources of strontium to soils and ecosystems across the Hawaiian Islands}, author = {O.A. Chadwick and L.A. Derry and C.R. Bern and P.M. Vitousek}, year = {2009}, doi = {10.1016/j.chemgeo.2009.01.009}, url = {https://pubs.usgs.gov/publication/70036953}, note = {Source identifier: 70036953} }