Water treatment plant operation - Langworthy, V. W. (Virgil W.), series editor ([Ann Arbor, Mich.] Ann Arbor Science Publishers, 1981)
v.1. Review manual for operators / by W.E. Brown, R.S. Sacks -- v.2. Mathematics for operators / by E.J. Way -- v.3. Hydraulics for operators / by W. Elgar Brown -- v.4. Chemistry for operators / by R.L. Fountain.
Keywords: Water treatment plants -- Handbooks, manuals, etc; Water Purification -- Handbooks, manuals, etc