TY - CHAP T1 - Falling atmospheric CO2—the key to megaphyll leaf origins T2 - The Evolution of Plant Physiology PY - 2004/02/04 AU - Osborne CP AU - Chaloner WG AU - Beerling DJ ED - DO - DOI: 10.1016/b978-012339552-8/50012-3 PB - Elsevier SN - 9780123395528 SP - 197 EP - 215 Y2 - 2024/12/22 ER -