@inbook{inbook, title = {{Falling atmospheric CO2鈥攖he key to megaphyll leaf origins}}, publisher = {{Elsevier}}, url = {{}}, year = {{2004}}, month = {{2}}, author = {{Osborne CP and Chaloner WG and Beerling DJ}}, doi = {{10.1016/b978-012339552-8/50012-3}}, isbn = {{9780123395528}}, pages = {{197-215}}, note = {{Accessed on 2025/08/30}}}