TY  - RPRT
TI  - Pumping tests in non-uniform aquifers - The linear strip case
AU  - J.J. Butler
AU  - W.Z. Liu
PY  - 1991
DO  - 10.1016/0022-1694(91)90132-2
UR  - https://pubs.usgs.gov/publication/70016484
ID  - 70016484
ER  -