| Type |  Book |
| ชื่อเรื่อง | Handbook : Retrofitting POTWs for phosphorus removal in the Chesapeake Bay drainage basin |
| พิมพลักษณ์ | Cincinnati, Ohio : U.S. Environmental Protection Agency, Office of Research and Development, Water EngineeringResearch Laboratory : Center for Environmental Research, [1987] |
| รูปเล่ม | xi, 137 p. : ill. ; 28 cm |
| หัวเรื่อง | Phosphorus --Handbooks, manuals, etc [] |
| | Water --Chesapeake Bay Region (Md. and Va.) --Phosphorus content --Handbooks, manuals, etc [] |