Marius Mosoarca and  Victor Gioncu and  Ovidiu Cosma,  Seismic Behaviour of Romanian Ortodox Churches, Modeling of Failure Modes by Rigid Blocks.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2012, vol. 63(3). 237 - 244
    [viewed 19 October 2019]. Available from: https://publications.waset.org/pdf/6583.