TY  - RPRT
TI  - Determination of total sulfur in lichens by combustion-infrared analysis
AU  - L. L. Jackson
AU  - E.E. Engleman
AU  - J. L. Peard
PY  - 1984
DO  - 10.3133/ofr84656
UR  - https://pubs.usgs.gov/publication/ofr84656
ID  - ofr84656
ER  -