TY - JOUR T1 - The determination of sewer roughness and sediment properties using acoustic techniques JO - Global Solutions for Urban Drainage PY - 2002/01/01 AU - Horoshenkov KV AU - Ashley R AU - Blanksby J ED - DO - DOI: 10.1061/40644(2002)311 SP - 1 EP - 13 Y2 - 2024/09/19 ER -