@article {1159,
	title = {On the evolution of host specificity in phytophagous arthropods},
	journal = {Ecology},
	volume = {69},
	year = {1988},
	month = {1988///},
	pages = {886 - 892},
	keywords = {host range predation diet coevolution},
	author = {Bernays,E. and Graham,M.}
}
@article {1167,
	title = {On the evolution of host specificity in phytophagous arthropods},
	journal = {Ecology},
	volume = {69},
	year = {1988},
	month = {1988///},
	pages = {1153 - 1160},
	author = {Bernays,E.A. and Graham,M.}
}
