@article{Litvincev2023analysis, author={Litvincev, Y.I. and Kozyrev, A.A. and Zhuko, I.O.}, title={ANALYSIS OF THE EFFECT OF RELATIVE ROUGHNESS OF PIPELINES ON THE HEAD LOSS}, journal={Modern Technologies and Scientific and Technological Progress}, publisher={Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»}, year={2023}, pages={35-36}, volume={2023}, issue={1}, }