1. Alizon S, Taylor P (2008) Empty sites can promote altruistic behaviour. Evolution 62:1335–1344
2. Anderson RM, May RM (1982) Coevolution of hosts and parasites. Parasitology 85:411–426
3. Anderson RM, May RM (1991) Infectious diseases of humans: dynamics and control. Oxford University Press, Oxford
4. Andrivon D, Montarry J, Corbiere R, Glais I, Magalon H, Pasco C (2009) Phytophthora infestans: a life of evolutionary compromises. In: Gadoury DM, Seem RC, Moyer MM, Fry WE (eds) 10th international epidemiology workshop. New York State Agricultural Experiment Station, New York
5. Antonovics J, Alexander HM (1989) The concept of fitness in plant-fungal pathogen systems. In: Leonard KJ, Fry WE (eds) Plant disease epidemiology: genetics, resistance and management. McGraw-Hill, Inc, New York, pp 185–214