TY  - BOOK
AU  - Maddaus, William O.,
ED  - American Water Works Association
TI  - Water conservation
SN  - 0898673879
AV  - TD388 M33
PY  - 1987///
CY  - Denver, colorado
PB  - American water works association
KW  - Conservación del agua
KW  - Estados Unidos
ER  -