@article {1433,
	title = {Improvements of the plant-pest-parasitoid (PPP) model and its application on whitefly, Encarsia population dynamics under different release methods},
	journal = {Journal of Applied Entomology},
	volume = {112},
	number = {3},
	year = {1991},
	month = {30-Sep-91},
	pages = {274-287},
	author = {Rumei, X.}
}
