@misc{indiciae5251ccfdc950, title = {[The increase of biologically effective ultraviolet solar radiation due to a decrease of the ozone concentration in the free atmosphere (author's transl)].}, author = {R Schulze}, year = {1974}, doi = {10.1007/bf01323097}, url = {https://pubmed.ncbi.nlm.nih.gov/4832049/}, note = {Source identifier: 4832049} }