Author:

Bharadwaj,D.C.;Kremp,G.O.W.

Year:

1955

Title:

The spore content of the Velener Layers of the Ruhr Coal Measures.

Foreign title:

Die sporenfuhrung der Velener Schichten des Ruhrkarbons.

Reference:

Bharadwaj,D.C. et al. (1955) The spore content of the Velener Layers of the Ruhr Coal Measures. [ Die sporenfuhrung der Velener Schichten des Ruhrkarbons. ] Geologisches Jahrbuch Reihe A Vol. 71 P. 51- 68

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