Authors: Travis, JMJ Murrell, DJ Dytham, C

Citation: Jmj. Travis et al., The evolution of density-dependent dispersal, P ROY SOC B, 266(1431), 1999, pp. 1837-1842

Authors: Travis, JMJ Dytham, C

Citation: Jmj. Travis et C. Dytham, Habitat persistence, habitat availability and the evolution of dispersal, P ROY SOC B, 266(1420), 1999, pp. 723-728

Authors: Pithon, JA Dytham, C

Citation: Ja. Pithon et C. Dytham, Breeding performance of Ring-necked Parakeets Psittacula krameri in small introduced populations in southeast England, BIRD STUDY, 46, 1999, pp. 342-347

Authors: Pithon, JA Dytham, C

Citation: Ja. Pithon et C. Dytham, Census of the British Ring-necked Parakeet Psittacula krameri population by simultaneous counts of roosts, BIRD STUDY, 46, 1999, pp. 112-115