1. Relationship between ash and germanium content of coal and its genetic significance;Adamankin;Doklady AkademiiNauk SSSR,1970
2. Germanium content of different genetic types of coal in some fields of Transbaikal;Adamankin;Doklady AkademiiNauk SSSR,1974
3. Rare earth elements: Their importance in understanding soil genesis;Aide,2012
4. Role of sulfur in the transformations of sedimentary organic matter: a mechanistic overview;Aizenshtat,1995
5. Geochemistry of Rare Elements in Coals of Siberia. Dprint, Tomsk (468 pp. in Russian with English abstract);Arbuzov,2007