TY  - RPRT
TI  - Description and testing of three moisture sensors for measuring surface wetness on carbonate building stones
AU  - R.B. See
AU  - M.M. Reddy
AU  - R. G. Martin
PY  - 1987
DO  - 10.3133/wri874177
UR  - https://pubs.usgs.gov/publication/wri874177
ID  - wri874177
ER  -