About NISHITOME KIYOSHI
About MORIYAMA KATSUMI
About WATANABE YOSHIKIMI
About ISHIGURO MASAYOSHI
About 土木学会年次学術講演会講演概要集 第2部
About organism
About Sewerage engineering and wastewater treatment in general
About Biological treatment of sewage and wastewater
About 回転円板
About 生物膜
About 基質
About 除去速度