TY - BOOK ID - 139017497 TI - Formulation and use of practical models for river-quality assessment AU - Hines, Walter G. AU - Geological Survey (U.S.) PY - 1975 PB - [Reston, Virginia] : United States Department of the Interior, Geological Survey, DB - UniCat KW - Water quality KW - Mathematical models. KW - Willamette River Watershed (Or.) KW - Oregon UR - https://www.unicat.be/uniCat?func=search&query=sysid:139017497 AB - ER -