Modification of coal tar pitch used for eco-friendly carbon & graphite manufacture / Tomasz LIS, Katarzyna Kopala, Wilhelm Frohs, Janusz Tomala, Aneta FRĄCZEK-SZCZYPTA, Stanisław BŁAŻEWICZ // W: CESEP'15 : 6th international conference on Carbons for Energy Storage/Conversion and Environment Protection : Poznań, Poland, October 18\textsuperscript{th} to 22\textsuperscript{nd}, 2015 : program and abstracts book. — Poznan : Poznan University of Technology, cop. 2015. — S. 132