%0 Journal Article %A Punanova, S. %T TRACE ELEMENT COMPOSITION OF NAPHTHIDES IN LIGHT OF THE PERIODIC LAW OF CHEMICAL ELEMENTS %D 2021 %J , %V 2021 %N 1 %P 1-2 %@ 2214-4609 %R https://doi.org/10.3997/2214-4609.202134008 %I European Association of Geoscientists & Engineers, %X %U https://www.earthdoc.org/content/papers/10.3997/2214-4609.202134008