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Citation: I. Gawel et F. Czechowski, STUDY OF SATURATED COMPONENTS IN ASPHALT, Petroleum science and technology, 15(7-8), 1997, pp. 729-742

Authors: CZECHOWSKI F JEZIERSKI A

Citation: F. Czechowski et A. Jezierski, EPR STUDIES ON PETROGRAPHIC CONSTITUENTS OF BITUMINOUS COALS, CHARS OF BROWN COALS GROUP COMPONENTS, AND HUMIC ACIDS 600 DEGREES-C CHAR UPON OXYGEN AND SOLVENT ACTION, Energy & fuels, 11(5), 1997, pp. 951-964

Authors: CZECHOWSKI F SIMONEIT BRT SACHANBINSKI M CHOJCAN J WOLOWIEC S

Citation: F. Czechowski et al., PHYSICOCHEMICAL STRUCTURAL CHARACTERIZATION OF AMBERS FROM DEPOSITS IN POLAND, Applied geochemistry, 11(6), 1996, pp. 811-834

Authors: WOLOLWIEC S LATOSGRAZYNSKI L SEREBRENNIKOVA OV CZECHOWSKI F

Citation: S. Wololwiec et al., 1D AND 2D H-1-NMR STUDIES OF IRON(III) COMPLEXES ON GEOPORPHYRINS OF THE DEOXOPHYLLOERYTHROETIO STRUCTURAL TYPE DERIVED FROM OIL-SHALE, Magnetic resonance in chemistry, 33(1), 1995, pp. 34-43

Authors: GIERAK A CZECHOWSKI F LEBODA R

Citation: A. Gierak et al., IMPROVEMENT OF CARBON SILICA SORBENT (CARBOSIL) SURFACE-PROPERTIES UPON STEAM ACTIVATION AT 1073-K, Materials chemistry and physics, 36(3-4), 1994, pp. 264-270

Authors: CZECHOWSKI F LATOSGRAZYNSKI L WOLOWIEC S

Citation: F. Czechowski et al., STRUCTURAL IDENTIFICATION OF PARAMAGNETIC IRON PORPHYRINS FROM COLORADO COAL WITH THE USE OF 1D AND 2D H-1-NMR SPECTROSCOPY - GEOCHEMICAL IMPLICATIONS ON THEIR ORIGIN FROM HEME, Organic geochemistry, 21(10-11), 1994, pp. 1059-1068