@article {lampert2011density,
	title = {Density-dependent cooperation as a mechanism for persistence and coexistence},
	journal = {Evolution: International Journal of Organic Evolution},
	volume = {65},
	year = {2011},
	pages = {2750{\textendash}2759},
	publisher = {Wiley Online Library},
	url = {https://academic.oup.com/evolut/article/65/10/2750/6854353},
	author = {Lampert, Adam and Tlusty, Tsvi}
}
