The Upper Valanginian (Early Cretaceous) positive carbon–isotope event recorded in terrestrial plants
Gröcke, Darren R. ; Price, Gregory D. ; Robinson, Stuart A. ; Baraboshkin, Evgenij Y. ; Mutterlose, Jörg ; Ruffell, Alastair H.
Earth and planetary science letters, 2005-12, Vol.240 (2), p.495-509 [Periódico revisado por pares]Elsevier B.V
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