@article{article, title = {{Falling atmospheric CO2-the key to megaphyll leaf origins}}, url = {{}}, year = {{2004}}, month = {{1}}, author = {{Osborne CP and Chaloner WG and Beerling DJ}}, doi = {{10.1016/B978-012339552-8/50012-3}}, pages = {{197-215}}, note = {{Accessed on 2025/06/24}}}