Gesui bunka o kangaeru
Subtitle: gesui ni kakawaru denshō sadame shiseki shijitsu shinkō kanshū chimei tō o tazunete
Publisher: Nihon Gesuidō Kyōkai
Published: 1986
Place of publication: Tōkyō
Language: jpn
Number of pages: 119
Subjects: Sewerage; History
Notes: Errata slip inserted.