_id,doi,title
3656,10.1016/S0022-5193(87)80100-5,The probability of peak shifts in a founder population
3661,10.1016/S0022-5193(87)80210-2,The frequency of shifts between alternative equilibria
4323,10.1016/S0022-5193(86)80033-9,Sibling competition and the advantage of mixed families