[1]
Ruffle, L. 1995. Some artificial genera (Fagaceae, Platanaceae, Araliaceae) of Upper Cretaceous of the Northern Hemisphere and heterophylly in some modern hybrids. Journal of Palaeosciences. 44, (Dec. 1995), 225–237. DOI:https://doi.org/10.54991/jop.1995.1211.