Elizabeth C Lovelock

Sensitivity of leaf size and shape to climate: global patterns and paleoclimatic applications.

Nathan J B Kraft, J. Peñuelas, I. Wright, 2011, The New phytologist.

Sharply increased insect herbivory during the Paleocene–Eocene Thermal Maximum

D. Royer, C. Labandeira, S. Wing, 2008, Proceedings of the National Academy of Sciences.