@article {211,
	title = {An economic study of the biological control of the spiny blackfly, Aleurocanthus spiniferus (Hemiptera: Aleyrodidae), in a citrus orchard in Swaziland},
	journal = {Biocontrol Science and Technology},
	volume = {10},
	number = {1},
	year = {2000},
	pages = {27-32},
	author = {Berg, M.A. van den and H{\"o}ppner, G. and Greenland, J.}
}
