Παπαζησίμου Σ. and Καλαϊτζίδης Σ. (2004) “QUANTITATIVE MINERAL MATTER DETERMINATION IN LIGNITES USING X-RAY DLFRACTOMETRY AND POSITION SENSITIVE DETECTOR (XRD-PSD)”, Bulletin of the Geological Society of Greece, 36(1), pp. 464–473. doi: 10.12681/bgsg.16737.