@article{Gabryś:2009,
author
=
"B.Gabryś and W.Celary and G.Sobota",
title
=
"Apoidea (Hymenoptera) caught in yellow traps during spring and summer in agricultural landscape near Wrocław (Lower Silesia, Poland)",
journal
=
"Fragmenta Faunistica",
volume
=
"Vol. 46",
pages
=
"171--181",
year
=
"2003",
}