TY  - RPRT
TI  - Progress toward a uniform air pollution index.
AU  - G C Thom
AU  - W R Ott
PY  - 1975
DO  - 10.1080/00022470.1975.10470194
UR  - https://pubmed.ncbi.nlm.nih.gov/1194592/
ID  - 1194592
ER  -