TY  - RPRT
TI  - Hydrologic drought of water year 2011 compared to four major drought periods of the 20th century in Oklahoma
AU  - Molly J. Shivers
AU  - William J. Andrews
PY  - 2013
DO  - 10.3133/sir20135018
UR  - https://pubs.usgs.gov/publication/sir20135018
ID  - sir20135018
ER  -