@article {1806,
	title = {Whitefly in the greenhouse},
	journal = {Groenten en Fruit},
	volume = {33},
	year = {1978},
	pages = {36,38-39, 1 plate},
	author = {Woets, J.}
}
@article {1435,
	title = {Vydate L in substrate culture},
	journal = {Groenten en Fruit},
	volume = {42},
	number = {4},
	year = {1986},
	pages = {23-25},
	author = {Runia, W.T. and Staay, M. van der}
}
