Authors: Preston, BT Stevenson, IR Pemberton, JM Wilson, K

Citation: Bt. Preston et al., Dominant rams lose out by sperm depletion - A waning success in siring counters a ram's high score in competition for ewes., NATURE, 409(6821), 2001, pp. 681-682

Authors: Stevenson, IR Bryant, DM

Citation: Ir. Stevenson et Dm. Bryant, Avian phenology - Climate change and constraints on breeding, NATURE, 406(6794), 2000, pp. 366-367