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Becker, Hartenfels & Aboussalam |
2013 |
The Devonian – Carboniferous boundary at lalla
Mimouna (northern Maider) – a progress report
International Field Symposium “The Devonian and Lower Carboniferous of northern Gondwana” Field-Guidebook, Document de l’Institut Scientifique, Rabat N°27 - 2013Publisher: Institut Scientifique Rabat; Eds.: Ralph T. Becker, Ahmed El Hassani & Abdelfatah Tahiri; ISBN: 0251-4249, pp. 109-120.
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Becker, Hartenfels & S Hellig, G Schreiber |
2016 |
The “Nehden Goniatite Shale” (lower Famennian, Brilon Reef Complex, NE Rhenish Massif)
Münster. Forsch. Geol. Paläont., vol. 108, pp. 179-195 (Münster)
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