OOxytetracyclinOxytetracyclinde Rolf WernerEdiciones (1)Oxytetracyclin (1973)alemánMás obras de Rolf WernerWWilli Ziegler-Festschrift IIWilli Ziegler-Festschrift IIDDevonian Series Boundaries -- Results of world-wide StudiesDevonian Series Boundaries -- Results of world-wide StudiesNNeue Daten zur Biostratigraphie, Paläogeographie und Paläont
DDevonian Series Boundaries -- Results of world-wide StudiesDevonian Series Boundaries -- Results of world-wide Studies
OOn Devonian Stratigraphy and Palaentology of the Ardenno- RhOn Devonian Stratigraphy and Palaentology of the Ardenno- Rhenish Mountains and related Devonian Matters