The ammonites of the keppleri Horizon (basal Callovian, Middle Jurassic) of Albstadt-Pfeffingen (Swabian Alb, Germany) – biostratigraphy and correlation
2021 ◽
Vol 302
(1)
◽
pp. 1-33
2015 ◽
Vol 278
(3)
◽
pp. 303-321
◽
2020 ◽
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