1. On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life;Darwin,1859
2. Homology as relationship of correspondence between parts of individuals;Ghiselin;Theory in Biosciences,2005
3. The types of homology and their significance for evolutionary biology and phylogenetics;Haszprunar;Journal of Evolutionary Biology,1991
4. Phylogenetic systematics;Hennig,1966
5. Homology in molecular biology;Hillis,1994