@misc{using+the+visual+method+to+sort+polish+pine+structural+sawn+timber+with+respect+to+strength, author = {Wdowiak, Agnieszka}, title = {Using the visual method to sort Polish pine structural sawn timber with respect to strength}, journal = {Technical Transactions}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2016}, number = {Y. 113, iss. 2-B} }