TY  - BOOK
ED  - American Water Works Association
TI  - Recommended practice for backflow prevention and cross-connection control
T2  - AWWA manual
SN  - 0-89867-527-8
AV  - TD491 R43 1990
PY  - 1990///
CY  - Denver, Colorado
PB  - American Water Works Association
KW  - Contrasifonaje (Plomería)
KW  - Conecciones cruzadas (Plomería)
ER  -