TY  - RPRT
TI  - Determination of total sulfur in lichens and plants by combustion-infrared analysis
AU  - L. L. Jackson
AU  - E.E. Engleman
AU  - J. L. Peard
PY  - 2002
DO  - 10.1021/es00135a009
UR  - https://pubs.usgs.gov/publication/70013042
ID  - 70013042
ER  -