KOVÁCS, L.; VÁRADI , S. APPROXIMATE CALCULATION OF PRESSURE DROP IN BENDS BUILT IN PNEUMATIC CONVEYING PIPES IN THE CASE OF HIGH DENSITY CONVEYING Periodica Polytechnica Mechanical Engineering, [S. l.], v. 37, n. 1, p. 29–44, 1993. Disponível em: https://pp.bme.hu/me/article/view/5535. Acesso em: 19 may. 2024.