Lauer, B., Barsotti, M. G., & Hardy, D. K. (2009). Chemical feed field guide for treatment plant operators: Calculations and systems. American Water Works Association.
Lua i Stíl Chicago (17ú heag.)Lauer, Bill, Michael G. Barsotti, agus David K. Hardy. Chemical Feed Field Guide for Treatment Plant Operators: Calculations and Systems. Denver, Colo.: American Water Works Association, 2009.
Lua MLA (9ú heag.)Lauer, Bill, et al. Chemical Feed Field Guide for Treatment Plant Operators: Calculations and Systems. American Water Works Association, 2009.
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