Richard Hofmann
![Richard Hofmann](https://upload.wikimedia.org/wikipedia/commons/1/17/Richard_Hofmann_VS.jpg)
1
Published: [2015]
Superior document: Title is part of eBook package: De Gruyter DG Plus DeG Package 2015 Part 1
2
Published: 1986
Superior document: Geologisches Jahrbuch : Reihe D , Mineralogie, Petrographie, Geochemie, Lagerstättenkunde 83