TY  - RPRT
TI  - Source code for the computer program and sample data set for the simulation of cylindrical flow to a well using the U.S. Geological Survey modular finite-difference ground-water flow model
AU  - T. E. Reilly
AU  - A.W. Harbaugh
PY  - 1992
DO  - 10.3133/ofr92659
UR  - https://pubs.usgs.gov/publication/ofr92659
ID  - ofr92659
ER  -