TY - BOOK ED - American Water Works Association TI - Principles and practices of water supply operations T2 - A basic/intermediate course for water system operators AV - TD481 P75 CY - Denver, colorado PB - American water works, c1979- KW - Agua KW - Distribución KW - Ingeniería de abastecimiento de agua N1 - Contenido: v. 1. introduction to water sources and transmission -- v. 2. introduction to water treatment -- v. 3. introduction to water distribution -- v. 4. introduction to water quality analyses -- [v. 5]. reference handbook. basic; science concep ER -