TY  - RPRT
TI  - Finite-difference interblock transmissivity for unconfined aquifers and for aquifers having smoothly varying transmissivity
AU  - D.J. Goode
AU  - C.A. Appel
PY  - 1992
DO  - 10.3133/wri924124
UR  - https://pubs.usgs.gov/publication/wri924124
ID  - wri924124
ER  -