TY  - GEN
ED  - American Water Works Association, Colorado US
TI  - Recommended practice for backflow prevention and cross - connection control
SN  - 0-89867-072-1
PY  - 1966///
CY  - Colorado
PB  - AWWA
KW  - WATER DISTRIBUTION SYSTEMS-CROSS CONNECTIONS
KW  - WATER SUPPLY
N1  - Bibliography 15-22 pp
ER  -