?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.+B.&rft.aulast=Veimarn&rft.au=+Veimarn+A.+B.&rft.atitle=Report+on+the+Symposium+on+the+Geology+and+Geochemistry+of+Manganese+and+Associated+Metals+%3A+27th+International+Geological+Congress%2C+1984%2C+Moscow&rft.date=1985&rft.issn=0365-8066&rft.title=Acta+mineralogica-petrographica&rft.volume=27&rft.pages=213-218&rft.genre=article