Leo Laine and  Morgan Johansson,  Simulation of Concrete Wall Subjected to Airblast by Developing an Elastoplastic Spring Model in Modelica Modelling Language.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2019, vol. 146(2). 46 - 53
    [viewed 10 December 2019]. Available from: https://publications.waset.org/pdf/10010023.