@ARTICLE{Punagin_Vladimir_Study_2013,
 author={Punagin, Vladimir},
 number={No 4},
 journal={Teka Commission of Motorization and Power Industry in Agriculture},
 howpublished={online},
 year={2013},
 publisher={The Lublin Branch of the Polish Academy of Sciences},
 title={Study of structural stresses in the monolithic concrete of natural hardening},
}