@article {1069,
	title = {A study of the effectiveness, in Switzerland, of Prospaltella perniciosi , a parasite of the San Jos{\'e} scale},
	journal = {Entomophaga},
	volume = {10},
	number = {3},
	year = {1965},
	month = {7-Sep-65},
	pages = {193-220},
	author = {Mathys, G. and Guignard, E.}
}
@article {547,
	title = {Observations on the bionomics of Prospaltella perniciosi Tow. in the Po valley},
	journal = {Entomophaga},
	volume = {10},
	number = {4},
	year = {1965},
	month = {12-Oct-65},
	pages = {373-376},
	author = {Gambaro, P.I.}
}
