TY  - RPRT
TI  - Groundwater depletion: A global problem
AU  - Leonard F. Konikow
AU  - E. Kendy
PY  - 2005
DO  - 10.1007/s10040-004-0411-8
UR  - https://pubs.usgs.gov/publication/70029397
ID  - 70029397
ER  -