1. INTRODUCTION // FIRE RESISTANCE OF REINFORCED CONCRETE AND STEEL STRUCTURES / editor . — Kharkiv: TECHNOLOGY CENTER PC, 2021. — ISBN: 978-617-7319-42-8. — [Электронный ресурс]. URL: https://doi.uran.ua/index.php/pctc/catalog/chapter/978-617-7319-43-5/390 (accessed: 21.04.2025).