(1976). Water Supply And Wastewater Disposal. Vol. 1 - 11 / A. Kepinski And W. A. S Kepinski. Vulkan-Verlag.
Lua i Stíl Chicago (17ú heag.)Water Supply And Wastewater Disposal. Vol. 1 - 11 / A. Kepinski And W. A. S Kepinski. Vulkan-Verlag, 1976.
Lua MLA (8ú heag.)Water Supply And Wastewater Disposal. Vol. 1 - 11 / A. Kepinski And W. A. S Kepinski. Vulkan-Verlag, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.