1. Yitzhaki D. "Prismatic and Cylindrical Shell Roofs" Haifa Science Publishers Haifa Israel 1958.
2. Theorie der Faltwerke;Craemer H.;Beton und Eisen,1930
3. Die Spannungsermittlung in Flaechentragwerken;Ehlers G.;Beton und Eisen,1930
4. Hipped Plate Construction;Winter G.;Journ. ACI,1947
5. Hipped Plate Analysis Considering Joint Displacements;Gaafar I.;Trans. ASCE,1954