@misc{indiciaefa919a46587c, title = {Vegetation, climatic and floral changes at the Cretaceous-Tertiary boundary}, author = {J. A. Wolfe and G.R. Upchurch}, year = {1986}, doi = {10.1038/324148a0}, url = {https://pubs.usgs.gov/publication/70014490}, note = {Source identifier: 70014490} }