@article {rannala2020multi,
	title = {The multi-species coalescent model and species tree inference},
	journal = {Phylogenetics in the Genomic Era},
	year = {2020},
	pages = {3{\textendash}3},
	publisher = {No commercial publisher| Authors open access book},
	author = {Rannala, Bruce and Edwards, Scott V. and Leach{\'e}, Adam and Yang, Ziheng}
}
