| 1 |
| Métodos normalizados : para el análisis de aguas potables y residuales / preparado y publicado conjuntamente por American Public Health Association, American Water Works Association, Water Pollution Control Federation. — Madrid : Díaz Santos, [1992]. — 1 v. (pag. var.) : il. ; 24 cm. — |  |
| 2 |
| Métodos normalizados : para el análisis de aguas potables y residuales / preparado y publicado conjuntamente por American Public Health Association, American Water Works Association, Water Pollution Control Federation. — Madrid : Díaz Santos, [1992]. — 1 v. (pag. var.) : il. ; 24 cm. — | |
| 3 |
| American Water Works Association
Water quality and treatment : a handbook of community water supplies / America Water Works Association ; Frederick W. Pontius, technical editor. — 4th ed. — New York : McGraw-Hill, [1990]. — 1194 p. : il., tab. ; 24 cm. — |  |
| 4 |
| American Water Works Association
Water quality and treatment : a handbook of community water supplies / America Water Works Association ; Frederick W. Pontius, technical editor. — 4th. ed. — New York : McGraw-Hill, [1990]. — 1194 p. : il., tab. ; 24 cm. — | |
| 5 |
| Water treatment plant design / American Society of Civil Engineers, American Water Works Association. — 2nd ed. — New York : McGraw-Hill, [1990]. — 598 p. : il., gráf., tab. ; 24 cm. — |  |
| 6 |
| Water treatment plant design / American Society of Civil Engineers, American Water Works Association. — 2nd ed. — New York : McGraw-Hill, [1990]. — 598 p. : il., gráf., tab. ; 24 cm. — | |
