@article {1054,
	title = {Hymenopterous parasites of Pityophthorus polonicus Karp.},
	journal = {Roczniki Nauk Lesn. Warsaw},
	volume = {11},
	year = {1955},
	pages = {83-92},
	author = {Boucek, Z.}
}
@article {1055,
	title = {[Notizen uber die parasitischen Hymenoptera des Fichtenborkenkafers Ips typographus L. in CSR.]},
	journal = {Zoologicke Listy. Folia Zool. Ent},
	volume = {2},
	year = {1953},
	pages = {145-158},
	author = {Boucek, Z. and Pulpan, J. and Sedivy, J.}
}
