Agunakov Ivan Yakovlevich. Sanitarnoe inzhenernoe iskusstvo. Domovyy drenazh, obshchestvennye ubornye, sanitarnye pribory i biologicheskie filtry dlya unichtozheniya nechistot otdelnykh domov./Agunakov Ivan Yakovlevich. Sanitary engineering. Domestic drainage, public latrines, sanitary devices and biological filters for the destruction of sewage from individual houses. In Russian - landofmagazines.com

TransliterationAgunakov Ivan Yakovlevich. Sanitarnoe inzhenernoe iskusstvo. Domovyy drenazh, obshchestvennye ubornye, sanitarnye pribory i biologicheskie filtry dlya unichtozheniya nechistot otdelnykh domov.

In EnglishAgunakov Ivan Yakovlevich. Sanitary engineering. Domestic drainage, public latrines, sanitary devices and biological filters for the destruction of sewage from individual houses. In Russian

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