TY  - RPRT
TI  - Time as a factor in atmospheric sampling.
AU  - R K Severs
AU  - R M Neal
AU  - T D Downs
PY  - 1977
DO  - 10.1080/0002889778507925
UR  - https://pubmed.ncbi.nlm.nih.gov/860687/
ID  - 860687
ER  -