1. The infrared spectra of coals;Brown;J. Chem. Soc.,1955
2. Association of uranium with a naturally occurring coal extract;Breger;Bull. Geol. Soc. Am.,1955
3. Les xylites doppléritisés du gisement de charbon brun de la carrière de Patnów du Bassin de Konin;Brzyski;Zesz. Nauk. Akad. Gorn.-Hutn., Cracow Geol.,1974
4. Spektroskopowe metody badań zwiazków organicznych NMR, IR, UV;Czuchajowski;Uniw. Slaski 59, Katowice,1974
5. Structural-geological characteristic of the “Glogowski” brown-coal bed in the region Lubin-Glogów;Frankiewicz;Zesz. Nauk. Akad. Gorn.-Hutn., Cracow Geol.,1975