@misc{indiciae629b30c2c569, title = {Determining 222Rn diffusion lengths in soils and sediments.}, author = {J Søgaard-Hansen and A Damkjaer}, year = {1987}, doi = {10.1097/00004032-198711000-00002}, url = {https://pubmed.ncbi.nlm.nih.gov/3667270/}, note = {Source identifier: 3667270} }