@ARTICLE{Zapała-Sławeta_J._Effect_2017, author={Zapała-Sławeta, J. and Owsiak, Z.}, volume={65}, number={No 6 (Special Section on Civil Engineering – Ongoing Technical Research. Part II)}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={773-778}, howpublished={online}, year={2017}, title={Effect of lithium nitrate on the reaction between opal aggregate and sodium and potassium hydroxides in concrete over a long period of time}, URL={http://www.czasopisma.pan.pl/Content/105800/PDF/10.1515bpasts-2017-0085.pdf}, doi={10.1515/bpasts-2017-0085}, }