TY  - RPRT
TI  - Elemental chemistry of four lichen species from the Apostle Islands, Wisconsin, 1987, 1995 and 2001
AU  - J. P. Bennett
AU  - C. M. Wetmore
PY  - 2003
DO  - 10.1016/s0048-9697(02)00474-6
UR  - https://pubs.usgs.gov/publication/1003908
ID  - 1003908
ER  -