SZUMIGAŁA, M. and POLUS, Łukasz 2015. A Comparison of the Rise of the Temperature of an Unprotected Steel Column Subjected to the Standard Fire Curve ISO 834 and to a Natural Fire Model in the Office. Engineering Transactions. 63, 2 (Jan. 2015), 157–170. DOI:https://doi.org/10.24423/engtrans.59.2015.