@misc{indiciae6a27549b6b78, title = {Physical sciences: krypton-85 in the troposphere.}, author = {J Schröder and K O Münnich and D H Ehhalt}, year = {1971}, doi = {10.1038/233614a0}, url = {https://pubmed.ncbi.nlm.nih.gov/16063525/}, note = {Source identifier: 16063525} }