WILLEMSE, Luc - KLEUKERS, Roy M. J. C. - ODÉ, Baudewijn - FELIX, Rob. European Congress on Orthoptera Conservation (ECOCIII): 1-2 April 2022 : Program. Editors Luc Willemse, Roy Kleukers, Baudewijn Odé & Rob Felix. 2022. 48 p. Dostupné na internete: https://drive.google.com/file/d/19ZZUWEoMxe91t68XpqGKiW1uF9IISpR_/view