@inbook{inbook, title  = {{Falling atmospheric CO2—the key to megaphyll leaf origins}},

 publisher = {{Elsevier}},

 url = {{https://doi.org/10.1016/b978-012339552-8/50012-3 }},

 year = {{2004}},

 month = {{1}},

 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 2025/12/06}}}