@article {11708,
	title = {Die mitteleurop{\"a}ischen Ptomaphagus Arten (Col.) (Catopidenstudien V)},
	journal = {EBls},
	volume = {52},
	year = {1956},
	pages = {176-181.},
	author = {Sokolowski, K.}
}
@article {11709,
	title = {{\"U}ber das K{\"o}dern von Catopiden (Col.)},
	journal = {EBlt},
	volume = {52},
	year = {1956},
	pages = {157-160.},
	author = {Sokolowski, K.}
}
