@article{Tracz_T._Open_2016, author={Tracz, T.}, volume={64}, number={No 4 (Special Section on Civil Engineering – Ongoing Technical Research. Part I)}, howpublished={online}, journal={Bulletin of the Polish Academy of Sciences: Technical Sciences}, pages={775-783}, year={2016}, title={Open porosity of cement pastes and their gas permeability}, doi={10.1515/bpasts-2016-0086}, }