Association indices for quantifying social relationships: how to deal with missing observations of individuals or groups by Hoppitt, W, Farine, D

More on how and why: cause and effect in biology revisited by Laland, K, Odling-Smee, J, Hoppitt, W, Uller, T

Cause and effect in biology revisited: is Mayr's proximate-ultimate dichotomy still useful? by Laland, K, Sterelny, K, Odling-Smee, J, Hoppitt, W, Uller, T