@article {1159,
	title = {A refuge for red scale under control by Aphytis : structural aspects},
	journal = {Ecology},
	volume = {70},
	year = {1989},
	pages = {1707-1714},
	author = {Murdoch, W.W. and Luck, R.F. and Walde, S.J. and Reeve, J.D.}
}
