Selected Diptera of City Park Kolmanka, Prešov (Slovakia)
Oboňa, Jozef, Beuk, Paul L. Th., Dvořáková, Kateřina, Dvořák, Libor, Grootaert, Patrick, Haenni, Jean-Paul, Ježek, Jan, Mlynárová, Laura, van der Weele, Ruud, Manko, Peter
New and interesting records of Diptera on glacial sand deposits in Silesia (NE Czech Republic). Part 2 – Brachycera except for Schizophora
Roháček, Jindřich, Barták, Miroslav, Čelechovský, Alois, Grootaert, Patrick, Kanavalová, Liliana, Mazánek, Libor, Pollet, Marc