| | Chaban, Bohdan Definition of equivalent roughness of internal surface of a measuring pipeline [Текст] / Bohdan Chaban, Leonid Lesovoy // 5th International youth science forum "Litteris et Artibus" : proceedings, Nov. 26-28, 2015, Lviv, Ukraine / Lviv Polytechnic Nat. Univ. — 58 Мб. — Lviv : Lviv Polytechnic Publ. House, 2015. — Р. 152-153. |
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