Hirsch, Florian, Raab, Thomas, Ouimet, William, Dethier, David, Schneider, Anna, and Raab, Alexandra. Soils on Historic Charcoal Hearths: Terminology and Chemical Properties. Retrieved from https://par.nsf.gov/biblio/10060588. Soil Science Society of America Journal 81.6 Web. doi:10.2136/sssaj2017.02.0067.

Hirsch, Florian, Raab, Thomas, Ouimet, William, Dethier, David, Schneider, Anna, & Raab, Alexandra. Soils on Historic Charcoal Hearths: Terminology and Chemical Properties. Soil Science Society of America Journal, 81 (6). Retrieved from https://par.nsf.gov/biblio/10060588. https://doi.org/10.2136/sssaj2017.02.0067

Hirsch, Florian, Raab, Thomas, Ouimet, William, Dethier, David, Schneider, Anna, and Raab, Alexandra. "Soils on Historic Charcoal Hearths: Terminology and Chemical Properties". Soil Science Society of America Journal 81 (6). Country unknown/Code not available. https://doi.org/10.2136/sssaj2017.02.0067. https://par.nsf.gov/biblio/10060588.

@article{osti_10060588,
place = {Country unknown/Code not available}, title = {Soils on Historic Charcoal Hearths: Terminology and Chemical Properties}, url = {https://par.nsf.gov/biblio/10060588}, DOI = {10.2136/sssaj2017.02.0067}, abstractNote = {}, journal = {Soil Science Society of America Journal}, volume = {81}, number = {6}, author = {Hirsch, Florian and Raab, Thomas and Ouimet, William and Dethier, David and Schneider, Anna and Raab, Alexandra}, }