Vissza |
Grasselly Gyula; Bertalan Margit; Sajgó Csanád: Contributions to the knowledge of the Hungarian oil shale kerogen II. : results of preliminary DTA and IR-investigations on the kerogen of the oil shale occurrence at Pula. In: Acta mineralogica-petrographica, (23) 1. pp. 177-196. (1977)