APA-referens (7:e uppl.)

(2000). Isotopic evidence for temperature variation during the early Cretaceous (late Ryazanian–mid-Hauterivian).

Chicago-referens (17:e uppl.)

Isotopic Evidence for Temperature Variation During the Early Cretaceous (late Ryazanian–mid-Hauterivian). 2000.

MLA-referens (9:e uppl.)

Isotopic Evidence for Temperature Variation During the Early Cretaceous (late Ryazanian–mid-Hauterivian). 2000.

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