Haworth, M., Hesselbo, S., McElwain, J., Robinson, S., & Brunt, J. (2005). Mid-Cretaceous pCO(2) based on stomata of the extinct conifer Pseudofrenelopsis (Cheirolepidiaceae).
Lua i Stíl Chicago (17ú heag.)Haworth, M., S. Hesselbo, J. McElwain, SA Robinson, agus J. Brunt. Mid-Cretaceous PCO(2) Based on Stomata of the Extinct Conifer Pseudofrenelopsis (Cheirolepidiaceae). 2005.
Lua MLA (9ú heag.)Haworth, M., et al. Mid-Cretaceous PCO(2) Based on Stomata of the Extinct Conifer Pseudofrenelopsis (Cheirolepidiaceae). 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.