Title information : Ecology,economics,education and legislation.Vol. I : 13th International multidisciplinary scientific geoconference SGEM 2013. Albena,Bulgaria,16.-22.6.2013 Issue data : Sofia : SGEM, 2013 %continue : . - 1242 p ISBN : ISBN 978-619-7105-04-9 Document kind : zborník References : \q2479**1 stu_us_cat*stu269474*xcla \q (3) - článok