TY  - RPRT
TI  - Preface
AU  - Yousif K. Kharaka
AU  - James K. Otton
PY  - 2007
DO  - 10.1016/j.apgeochem.2007.04.006
UR  - https://pubs.usgs.gov/publication/70185643
ID  - 70185643
ER  -