Research of the properties of quarry tuff-stone for complex processingZinovii Malanchuk, Vitalii Zaiets, Lesia Tyhonchuk, Svitlana Moshchych, Ganbileg Gayabazar and Phuong Thao DangE3S Web Conf., 280 (2021) 01003DOI: https://doi.org/10.1051/e3sconf/202128001003