TY  - RPRT
TI  - A numerical investigation of head waves and leaky modes in fluid- filled boreholes
AU  - Frederick L. Paillet
AU  - C.H. Cheng
PY  - 1986
DO  - 10.1190/1.1442192
UR  - https://pubs.usgs.gov/publication/70014549
ID  - 70014549
ER  -