relation: http://acta.bibl.u-szeged.hu/47811/ title: Characterization of different forms of organic matter in Upper Cretaceous levels from Cerro de La Mesa (Madrid, Spain) creator: Alvarez Ramis Concepción creator: Almendros Gonzalo date: 1995 type: Cikk, tanulmány, mű type: NonPeerReviewed format: part language: hu identifier: http://acta.bibl.u-szeged.hu/47811/1/plant_cell_006_033-043.pdf identifier: Alvarez Ramis Concepción; Almendros Gonzalo: Characterization of different forms of organic matter in Upper Cretaceous levels from Cerro de La Mesa (Madrid, Spain). In: Plant cell biology and development, (6). pp. 33-43. (1995)