Bioclimate: source and limit of social sevelopment : international scientific conference, 6th - 9th september 2011, Topoľčianky, Slovakia / [editors Bernard Šiška, Martin Hauptvogl, Mariana Eliašová] . Nitra :  Slovak Agricultural University , 2011 . 71 s . ISBN 978-80-552-0640-0 . [3, of that borrowed 0]