@misc{indiciae933c218fe14c, title = {Robust statistical methods and photochemical air pollution data.}, author = {W S Cleveland and B Kleiner and J L Warner}, year = {1976}, doi = {10.1080/00022470.1976.10470217}, url = {https://pubmed.ncbi.nlm.nih.gov/1244365/}, note = {Source identifier: 1244365} }