@article {1524,
	title = {Non-parametric modelling of non-linear density dependence: a three-species host-parasitoid system},
	journal = {Journal of Animal Ecology},
	volume = {70(5)},
	year = {2001},
	pages = {808-819},
	author = {Kristoffersen, A.B. and Lingjaerde, O.C. and Stenseth, N.Chr and M. Shimada}
}
