@misc{indiciaea0615bc81afc,
  title = {Long-Term Changes in Lower Tropospheric Baseline Ozone Concentrations:},
  author = {Parrish, D. D. and Lamarque, J.-F. and Naik, V. and Horowitz, L. and Shindell, D. T. and Staehelin, J. and Derwent, R. and Cooper, O. R. and Tanimoto, H. and Volz-Thomas, A. and Gilge, S. and Scheel, H.-E. and Steinbacher, M. and Frohlich, M.},
  year = {2014},
  url = {https://ntrs.nasa.gov/citations/20150000350},
  note = {Source identifier: 20150000350}
}