|
Becker, Bless & Brauckmann |
1984 |
Hasselbachtal, the section best displaying the Devonian-Carboniferous boundary beds in the Rhenish Massif (Rheinisches Schiefergebirge).
Courier Forschungsinstitut Senckenberg, 67: 181-191, fig.1-6, pl.1; Frankfurt a.M.
|