?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Kir%C3%A1ly+Attila&rft.aulast=Kir%C3%A1ly&rft.aufirst=Attila&rft.volume=8&rft.issn=0324-6523%2C+1589-4835&rft.title=Acta+mineralogica-petrographica&rft.pages=55&rft.atitle=Tracing+maturity+differences+in+catagenesis+stage+disperse+organic+matter+using+Raman+spectroscopy&rft.date=2014&rft.genre=article