Intensification possibilities waste water purification by chemical precipitation of phosphor at the central sewage treatment plant of Ostrava

by Yousef, M., Vidlář, J.
Source: 1. New trends in mineral processing IV, part II 1. Ostrava : Vysoká škola báňská - Technická univerzita, 2001 1. 80-7078-886-0 1. S. 485-491

Upper Jurassic-Lower Paleogene lithostratigraphy and facies development in the Al Hamadah al Hamra area (Libya)

by Shiref, Yousef M., Salaj, Joseph
Source: 1. Geologica carpathica 1. 1335-0552 1. Roč. 58, č. 1 (2007), s. 3-18