@InCollection{Kavanagh:1991,
author
=
"B.Kavanagh and L.Jerzak and W.Górski",
title
=
"Factors affecting the breeding performance of the Magpie (Pica pica) in three European cities",
pages
=
"71--81",
year
=
"1991",
booktitle
=
"Nestling mortality of granivorous birds due to microorganisms and toxic substancesProceedings of International Symposium of the Working Group on Granivorous Birds - INTECOL ISBN: 8301104767",
publisher
=
"Wydaw. Naukowe PWN",
address
=
"Warszawa",
}