@misc{structural+analysis+of+a+failured+rc+beam+with+openings+in+a+building+under+construction, author = {Zdanowicz, Łukasz i Wojdak, Ryszard}, title = {Structural analysis of a failured RC beam with openings in a building under construction}, journal = {Technical Transactions}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2013}, number = {Y. 110, iss. 2-B} }