@article {1859,
	title = {Competition, resource partitioning and coexistence of an endoparasitoid Encarsia perniciosi and an ectoparasitoid Aphytis melinus of the California red scale},
	journal = {Ecological Entomology},
	volume = {15},
	number = {4},
	year = {1990},
	pages = {469-480},
	author = {Yu, D.S. and Luck, R.F. and Murdoch, W.W.}
}
