@misc{indiciae794c4969097a, title = {Conceptual models governing leaching behavior and their long-term predictive capability}, author = {Hans C. Claassen}, year = {1981}, doi = {10.1016/0191-815x(81)90056-5}, url = {https://pubs.usgs.gov/publication/70188955}, note = {Source identifier: 70188955} }