Flaga, Andrzej. 2019. “Ratios of Forces and Forces Moments As Dynamic Similarity Criteria of Various Phenomena Occurring in Wind Engineering, Snow Engineering and Fluid Dynamics: Part II – Unsteady Problems of Periodic, Quasi-Periodic and Turbulent Character”. Budownictwo I Architektura 17 (4):141-54. https://doi.org/10.24358/Bud-Arch_18_174_12.