TY  - RPRT
TI  - American hydrogeology at the millennium: An annotated chronology of 100 most influential papers
AU  - W. Back
AU  - J.S. Herman
PY  - 2012
DO  - 10.1007/s100400050255
UR  - https://pubs.usgs.gov/publication/70019116
ID  - 70019116
ER  -