TY  - RPRT
TI  - Identifying calcium sources at an acid deposition-impacted spruce forest: A strontium isotope, alkaline earth element multi-tracer approach
AU  - T.D. Bullen
AU  - S.W. Bailey
PY  - 2005
DO  - 10.1007/s10533-004-2619-z
UR  - https://pubs.usgs.gov/publication/70029633
ID  - 70029633
ER  -