Rupakhety, R., & Ólafsson, S. (2020). Earthquake Engineering and Structural Dynamics in Memory of Ragnar Sigbjörnsson. 1st ed. 2018. Springer International Publishing.
Chicago-tyylinen lähdeviittausRupakhety, Rajesh, ja Símon Ólafsson. Earthquake Engineering and Structural Dynamics in Memory of Ragnar Sigbjörnsson. 1st Ed. 2018. Springer International Publishing, 2020.
MLA-viiteRupakhety, Rajesh, ja Símon Ólafsson. Earthquake Engineering and Structural Dynamics in Memory of Ragnar Sigbjörnsson. 1st Ed. 2018. Springer International Publishing, 2020.
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