TY  - RPRT
TI  - Geophysics. Longitudinal variation in springtime ozone trends.
AU  - B M Knudsen
AU  - S B Andersen
PY  - 2001
DO  - 10.1038/35099677
UR  - https://pubmed.ncbi.nlm.nih.gov/11607021/
ID  - 11607021
ER  -