@article {1802,
	title = {Possibilities for biological control of pests in seed crops under glass},
	journal = {Zaabdelangen, s{\textquoteright}-Gravenhage},
	volume = {29},
	number = {5},
	year = {1975},
	pages = {161-164},
	author = {Woets, J.}
}
@article {1805,
	title = {Natural enemies for pest control in seed crops under glass},
	journal = {Zaabdelangen, s{\textquoteright}-Gravenhage},
	volume = {31},
	number = {4},
	year = {1977},
	pages = {114-116},
	author = {Woets, J.}
}
@article {804,
	title = {Non-hairy cucumber plants: new possibilities for biological pest control},
	journal = {Zaabdelangen, s{\textquoteright}-Gravenhage},
	volume = {32},
	number = {12},
	year = {1978},
	pages = {368, 370},
	author = {Inggamer, H.}
}
