Barbara Stalmachova CSc.. THE ASSESSMENT OF BUTTERFLIES OCCURRENCE (LEPIDOPTERA) IN EXTENSIVE ORCHARDS OF KARVINA DISTRICT, CZECH REPUBLIC. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION, 2015, pp. 839-848. https://doi.org/10.5593/sgem2015/b51/s20.111