TY  - RPRT
TI  - An assessment of the variability in performance of wet atmospheric deposition samplers
AU  - R.C. Graham
AU  - J.K. Robertson
AU  - John Obal
PY  - 1987
DO  - 10.3133/wri874125
UR  - https://pubs.usgs.gov/publication/wri874125
ID  - wri874125
ER  -