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Pápay László: Varieties of sulphur in low-rank Hungarian coals. In: Acta mineralogica-petrographica, (38). pp. 65-72. (1997)
Pápay László: The distribution of sulphur in upper cretaceous brown coals from Ajka (Central Transdanubia, Hungary). In: Acta mineralogica-petrographica, (37). pp. 89-98. (1996)
Pápay László: Quality reducing properties of Hungarian brown coals. In: Acta mineralogica-petrographica, (29). pp. 131-137. (1987)
Hetényi Magdolna; Pápay László: Type and evolution stage of Hungarian oil shale kerogens. In: Acta mineralogica-petrographica, (28). pp. 109-116. (1986)
Pápay László: Simulated maturation process of the bitumens of the Pula oil shale, Hungary. In: Acta mineralogica-petrographica, (27). pp. 153-164. (1985)
Pápay László: IR and NMR characterization of oil generated from some Hungarian oil shales at 773 K. In: Acta mineralogica-petrographica, (25) 2. pp. 147-156. (1982)
Pápay László: Some features of the oil shale and oil shale kerogen bitumens of Pula (Hungary). In: Acta mineralogica-petrographica, (24) 1. pp. 113-124. (1979)