TY  - RPRT
TI  - Advances in solid-phase extraction disks for environmental chemistry
AU  - E.M. Thurman
AU  - K. Snavely
PY  - 2000
DO  - 10.1016/s0165-9936(99)00175-2
UR  - https://pubs.usgs.gov/publication/70022484
ID  - 70022484
ER  -