@conference {962,
	title = {Biological control of Trialeurodes vaporariorum by Encarsia formosa , successes and disappointments},
	booktitle = {International Congress of Entomology},
	volume = {16},
	year = {1980},
	pages = {351},
	author = {Lenteren, J.C. van and Woets, J.}
}
@conference {457,
	title = {Large scale study of the population dynamics of the whitefly Trialeurodes vaporariorum (Westwood) and its parasite Encarsia formosa Gahan},
	booktitle = {International Congress of Entomology},
	volume = {17},
	year = {1984},
	pages = {296},
	author = {Eggenkamp-Rotteveel Mansveld, M.H.}
}
