Coal preparation in Poland: present practice and perspectives / Z. BLASCHKE // W: Mining in the New Millennium – Challenges and Opportunities : proceedings of the American-Polish mining symposium : Las Vegas/Newada/8 October 2000 / ed. Tad. S. Golosinski. — Rotterdam : A. A. Balkema, 2000. — ISBN10: 90-5809-180-5. — S. 231–236. — Bibliogr. s. 236, Abstr.

Determination of the most favourable parameters of coal concentrates allowing optimal utilization of chemical energy of coal / Zofia BLASCHKE, Wiesław Blaschke, Stanisław Blaschke // W: 8\textsuperscript{th} International conference on Environment and mineral processing : 24. 6. – 26. 6. 2004, Ostrava, Czech Republic, Pt. 2 / ed. Fečko Peter ; VŠB – Technical University of Ostrava. Faculty of Mining and Geology. Institute of Environmental Engineering. — Ostrava : VŠB–TU, 2004. — S. 327–332. — Bibliogr. s. 331–332, Abstr.

Future of hard coal designed for utilisation in power industry / Wiesław Blaschke, Zofia BLASCHKE // W: Současnost a perspektivy úpravy nerostných surovin : pořádaná u příležitosti životního jubilea Prof. Ing. Jiřího Vidláře, CSc. : 9. 5. 2005, Ostrava : konference / ed. Peter Fečko, Vladimír Čablík ; Vysoká Škola Báňská – Technická Univerzita Ostrava. Hornicko - Geologická Fakulta. Institut Environmentálního Inženýrství. — Ostrava : VŠB – TU Ostrava, 2005. — S. 19–35. — Bibliogr. s. 33–35, Abstr.

The method of determination of the most favourable parameters of coal concentrates regarding maximum electricity production / W. Blaschke, Z. BLASCHKE, S. Blaschke // W: energex : International Energy Forum : book of proceedings of the 10th international conference : energy & society : 3\textsuperscript{rd}–6\textsuperscript{th} May 2004, Lisbon, Portugal / eds. Leopoldo Guimarães, Rodrigo Martins. — Caparica : Universidade Nova de Lisboa. Faculdade de Ciências e Tecnologia. Departamento de Ciência dos Materiais, 2004. — Opis częśc. wg okł.. — S. 181–186. — Bibliogr. s. 186, Abstr.. — Toż na CD-ROMie. — Abstrakt W: Energex 2004 : the 10th International Energy Forum : energy & society : May 3–6, 2004 Lisbon, Portugal : final programme : book of abstracts. — Caparica : Universidade Nova de Lisboa. Faculdade de Ciências e Tecnologia. Departamento de Ciência dos Materiais, 2004. — S. 56

The quality of hard power coal in the light of environment protection regulations — Jakość kamiennego węgla energetycznego w świetle przepisów dotyczących ochrony środowiska / Zofia BLASCHKE // Gospodarka Surowcami Mineralnymi = Mineral Resources Management ; ISSN 0860-0953. — 1999 t. 15 z. 4, s. 59–70. — Bibliogr. s. 69, Abstr., Streszcz.