TY - JOUR T1 - Determination of sewer roughness and sediment properties using acoustic techniques JO - Water Science and Technology PY - 2003/01/01 AU - Horoshenkov KV AU - Ashley RM AU - Blanksby J ED - DO - DOI: 10.2166/wst.2003.0092 VL - 47 IS - 2 SP - 87 EP - 93 Y2 - 2024/10/19 ER -