TY  - RPRT
TI  - Calibration of the DRASTIC ground water vulnerability mapping method
AU  - M.G. Rupert
PY  - 2005
DO  - 10.1111/j.1745-6584.2001.tb02350.x
UR  - https://pubs.usgs.gov/publication/70023741
ID  - 70023741
ER  -