@misc{composite+action+of+precast+hollow+core+slabs+with+structural+topping, author = {Derkowski, Wit i Surma, Mateusz}, title = {Composite action of precast hollow core slabs with structural topping}, journal = {Technical Transactions}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2015}, number = {Y. 112, iss. 3-B} }