TY  - RPRT
TI  - Application of semipermeable membrane devices (SPMDs) as passive air samplers
AU  - Jimmie D. Petty
AU  - James N. Huckins
AU  - James L. Zajicek
PY  - 1993
DO  - 10.1016/0045-6535(93)90143-s
UR  - https://pubs.usgs.gov/publication/70177762
ID  - 70177762
ER  -