ÖLLŐS, Géza. WATER SUPPLY AND SEWERAGE : TENDENCIES OF TRAINING IN WATER SUPPLY AND SEWERAGE. Periodica Polytechnica Civil Engineering, [S. l.], v. 16, n. 4, p. 297–307, 1972. Disponível em: https://pp.bme.hu/ci/article/view/4294. Acesso em: 11 may. 2024.