TY  - BOOK
AU  - Beck,J.R.
AU  - Goodwin,C.R.
ED  - United States
TI  - Response of gas-purged manometers to oscillations in water level
U1  - 551.48 
PY  - 1970///.
CY  - Washington: 
PB  - United States Government Printing Office, 
KW  - Hydraulic engineering
KW  - Hydrology
N1  - Prepared in cooperation with the California Department of Water Resources
ER  -