S. Müth, P. I. Schneider, M. Schnelle and P. D. de Staebler (eds.), Ancient Fortifications. A Compendium of Theory and Practice (Oxford 2016) By Silke Müth and Peter D De Staebler

https://www.academia.edu/22383855/S_M%C3%BCth_P_I_Schneider_M_Schnelle_and_P_D_de_Staebler_eds_Ancient_Fortifications_A_Compendium_of_Theory_and_Practice_Oxford_2016_