![](/sites/default/files/reference_icons/BAKALIAN%20ET%20AL.%201994%20Simplified%20Sewerage%20Design%20Guidlines.png)
Design guidelines for manual calculations of simplified sewers.
BAKALIAN, A. WRIGHT, A. OTIS, R. AZEVEDO NETTO, J. (1994): Simplified Sewerage: Design Guidelines. Washington, D.C.: United Nations Development Programme (UNDP), World Bank Water and Sanitation Program URL [Accessed: 22.07.2014]