Characterization of chemical, mineral and rheological properties of oil-polluted drilling wastes and their detoxication / Jerzy FIJAŁ, Andrzej GONET, Stanisław STRYCZEK, Lucyna CZEKAJ // Annual of the University of Mining and Geology “St. Ivan Rilski” – Sofia ; ISSN 1312-1820. Pt. 2: Mining and mineral processing. — 2003 vol. 46, s. 225–227. — Bibliogr. s. 227, Abstr.. — 50 [Fiftieth] years University of Mining and Geology “St. Ivan Rilski” (1953–2003) : jubilee international scientific session

Sealing of cavities behind the concrete lining of the Kinga shaft in the Wieliczka Salt Mine / Andrzej GONET, Stanisław STRYCZEK, Lucyna CZEKAJ, Jerzy FIJAŁ // Annual of the University of Mining and Geology “St. Ivan Rilski” – Sofia ; ISSN 1312-1820. Pt. 2: Mining and mineral processing. — 2003 vol. 46, s. 73–76. — Bibliogr. s. 76, Abstr.. — 50 [Fiftieth] years University of Mining and Geology “St. Ivan Rilski” (1953–2003) : jubilee international scientific session / eds. Krastu Dermendjiev [et al.]. — Sofia : Publishing House “St. Ivan Rilski”, 2003. — Opis część wg okł.