@inbook {Tarrio2000_502,
	title = {Tree rooting with outgroups when they differ in their nucleotide composition from the ingroup: The Drosophila saltans and willistoni groups, a case study.},
	booktitle = {Molecular Phylogenetics and Evolution},
	volume = {16},
	year = {2000},
	pages = {344{\textendash}349},
	author = {Tarrio, Rosa and Rodriguez-Trelles, Francisco and Ayala, Francisco J.}
}
