* Sheldon, F. H. Jones, C. E. & McCracken, K. G. (2000) Relative Patterns and Rates of Evolution in Heron Nuclear and Mitochondrial DNA. Mol. Biol. Evol. 17(3): 437–450 | * Sheldon, F. H. Jones, C. E. & McCracken, K. G. (2000) Relative Patterns and Rates of Evolution in Heron Nuclear and Mitochondrial DNA. Mol. Biol. Evol. 17(3): 437–450 |