TY - BOOK ID - 137541568 TI - Estimating water treatment costs. Volume II. Cost curves applicable to 1 to 200 mgd treatment plants AU - Gumerman, R. AU - Culp, R. AU - Hansen, S. PY - 1979 PB - Cincinnati Environmental Protection Agency DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:137541568 AB - ER -