@misc{designing+the+composition+of+concrete+mixtures+based+on+properties+of+mortar, author = {Gołaszewski, Jacek i Cygan, Grzegorz i Drewniok, Michał}, title = {Designing the composition of concrete mixtures based on properties of mortar}, journal = {Technical Transactions}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2014}, number = {Y. 111, iss. 1-B} }