SGEM 2016 : 16th international multidisciplinary scientific geoconference SGEM 2016, 30. June - 6, July, 2016, Albena, Bulgaria. I. Ecology, economics, education and legislation, conference proceedings. Ecology and environmental protection. Environmental legislation, multilateral relations and funding opportunities. / reviewers L. Lavrysen, Jürgen Breuste. -- 1st ed. -- Sofia : STEP92 Technology, 2016. -- 1023 s. : grafy, ilustr., tab. -- Bibliografické odkazy. -- ISBN 978-619-7105-65-0 (brož.). http://www.sgem.org ekológia * environmentalistika * geoparky * životné prostredie