TY  - RPRT
TI  - Use of chemistry and stable sulfur isotopes to determine sources of trends in sulfate of Colorado lakes
AU  - J.T. Turk
AU  - K. Campbell
AU  - N.E. Spahr
PY  - 1993
DO  - 10.1007/bf00478156
UR  - https://pubs.usgs.gov/publication/70018249
ID  - 70018249
ER  -