@misc{the+monitoring+of+a+substrate+strengthened+with+concrete+columns, author = {Bednarski, Łukasz i Sieńko, Rafał i Howiacki, Tomasz i Posłajko, Mariusz}, title = {The monitoring of a substrate strengthened with concrete columns}, journal = {Technical Transactions}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2017}, number = {Y. 114, vol. 3} }