TY  - RPRT
TI  - [Ozone decline and UV increase].
AU  - P Winkler
AU  - S Trepte
PY  - 2004
DO  - 10.1055/s-2004-812764
UR  - https://pubmed.ncbi.nlm.nih.gov/14770335/
ID  - 14770335
ER  -