TY  - RPRT
TI  - Evaluation of backflow prevention devices : a state-of-the-art report
AU  - Sherlin, Grover C
AU  - Beausoliel, Robert W
PY  - 1976
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 76-1070
DO  - 10.6028/NBS.IR.76-1070
ER  -