@article {540,
	title = {Naturally occurring populations of Encarsia pergandiella (Hymenoptera: Aphelinidae) in tomato greenhouses},
	journal = {Bulletin. Section Regionale Ouest Palaearctique, Organisation Internationale de Lutte Biologique.},
	volume = {22},
	number = {1},
	year = {1999},
	pages = {85-88},
	author = {Gabarra, R. and Arno, J. and Alomar, O. and Albajes, R.}
}
@article {105,
	title = {Whitefly species composition in winter tomato greenhouses},
	journal = {Bulletin. Section Regionale Ouest Palaearctique, Organisation Internationale de Lutte Biologique.},
	volume = {17},
	number = {5},
	year = {1994},
	pages = {104-109},
	author = {Arno, J. and Gabarra, R.}
}
@article {106,
	title = {Integrated pest control of early greenhouse tomato in the Isle of Menorca},
	journal = {Bolet{\'\i}n de Sanidad Vegetal Plagas},
	volume = {20},
	number = {2},
	year = {1994},
	pages = {501-509},
	author = {Arno, J. and Moliner, J. and Gabarra, R.}
}
