Speciation and the &quot;shifting balance&quot; in a continuous population
S. Rouhani, N.H. Barton, Theoretical Population Biology 31 (1987) 465–492.

Intrachromosomal gene conversion, linkage, and the evolution of multigene families
T. Nagylaki, N.H. Barton, Theoretical Population Biology 29 (1986) 407–437.