Published Effects of pyrolysis temperature, residence time on the reactivity of clean coals produced from poor quality coals by Skodras G., Natas P., Basinas P. and Sakellaropoulos G.P. 89-94_Skodras_350_8-2.pdf
Published Tracing dispersed coaly-derived particles in modern sediments: an environmental application of organic petrography by Kalaitzidis S., Christanis K., Cornelissen G. and Gustafsson 137-143_425_CHRISTANIS_9-2.pdf