@ARTICLE{Szewczak_E._Performance_2016, author={Szewczak, E. and Piekarczuk, A.}, volume={64}, number={No 4 (Special Section on Civil Engineering – Ongoing Technical Research. Part I)}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={675-686}, howpublished={online}, year={2016}, title={Performance evaluation of the construction products as a research challenge. Small error – big difference in assessment?}, URL={http://www.journals.pan.pl/Content/105750/PDF/10.1515bpasts-2016-0077.pdf}, doi={10.1515/bpasts-2016-0077}, }