@article {903,
	title = {Conclusions from the studies of the susceptibility of Encarsia formosa Gah., a parasite of the greenhouse whitefly ( Trialeurodes vaporariorum Westw.) to pesticides used in greenhouses},
	journal = {Biuletyn Instytutu Ochrony Roslin},
	volume = {No 45},
	year = {1969},
	pages = {93-98},
	author = {Kowalska, T. and Szczepanska, K.}
}
@article {904,
	title = {Toksykznosc niektorych insektycydow dla zlootookow, biedronek i blonkowek},
	journal = {Zeszyty Problemowe Postep{\'o}w Nauk Rolniczych},
	volume = {No 144},
	year = {1973},
	pages = {227-232},
	author = {Kowalska, T. and Szczepanska, K.}
}
@article {905,
	title = {Biological control of greenhouse whitefly ( Trialeurodes vaporariorum Westw.)},
	journal = {Materialy z XVI Sesji Nauk.Inst.Ochr.R{\'o}slin, 12-14 Luty, 1976},
	year = {1976},
	pages = {163-184},
	author = {Kowalska, T. and Szczepanska, K.}
}
@article {906,
	title = {Toxic effect of pesticides on the greenhouse whitefly parasitoid Encarsia formosa Gah. (Hym. Aphelinidae)},
	journal = {Materiali Sesji Instytutu Ochrony Roslin},
	volume = {29},
	number = {1},
	year = {1989},
	pages = {185-198},
	author = {Kowalska, T. and Szczepanska, K. and Lukowicz, A.}
}
@article {900,
	title = {The introduction of Encarsia formosa , the whitefly parasite in glasshouses in Poland},
	journal = {Biuletyn Instytutu Ochrony Roslin},
	volume = {44},
	year = {1969},
	pages = {341-352},
	author = {Kowalska, T.}
}
@article {901,
	title = {Masowa hodowla enkarsji ( Encarsia formosa Gah.) i gej wykorzy stanie w biologicznym zwalczaniu maczlika szlarniowego ( Trialeurodes vaporariorum Westw.)},
	journal = {Zeszyty Problemowe Postep{\'o}w Nauk Rolniczych},
	volume = {No 144},
	year = {1973},
	pages = {299-303},
	author = {Kowalska, T.}
}
@article {902,
	title = {Biological and integrated control in glasshouses in Poland},
	journal = {Bulletin. Section Regionale Ouest Palaearctique, Organisation Internationale de Lutte Biologique.},
	volume = {1976},
	number = {4},
	year = {1976},
	pages = {30-33},
	author = {Kowalska, T. and Pruszynski, S.}
}
