TY  - BOOK
ED  - American Water Works Association
TI  - AWWA Directory, 19 -: : membership list
T2  - Journal of the AWWA
U1  - 627.062 
PY  - 0000///19 -19
CY  - New York
PB  - American Water Works Association
KW  - Ingenieros norteamericanos
KW  - Directorios
KW  - Instituciones científicas
N1  - La biblioteca tiene: 1962, 1964
ER  -