@misc{experimental+investigation+of+concrete+columns+strengthened+with+perforated+internal+carbon+fiber+reinforced+polymer+tubes,
    author = {Krzysztof Adam Ostrowski i Marcin Piechaczek  i Oliwia Sikora },
    title = {Experimental investigation of concrete columns strengthened with perforated internal carbon fiber reinforced polymer tubes},
    journal = {Composite Structures},
    publisher = {Elsevier},
    date = {2026},
    number = {Volume 383, 120114},
    ISSN = {0263-8223}
}