@article {287,
	title = {Coevolution of Pierid Butterflies and Their Cruciferous Food Plants .1. Relative Quality of Available Resources},
	journal = {Oecologia},
	volume = {20},
	number = {2},
	year = {1975},
	note = {Ak338 Times Cited:88 Cited References Count:26},
	pages = {117-127},
	author = {Chew, F. S.}
}
@article {288,
	title = {Coevolution of pierid Butterflies and their cruciferous foodplants .2. Distribution of eggs on potential foodplants},
	journal = {Evolution},
	volume = {31},
	number = {3},
	year = {1977},
	note = {Ee353 Times Cited:167 Cited References Count:48},
	pages = {568-579},
	author = {Chew, F. S.}
}
