Authors: Levente Szekely | Vlad Dinca | Istvan Juhasz

Published in Phegea, in 2011, in volume 39, issue 3, pages 85-106

Created: 2015-12-27, modified: 2015-12-27

Authors: Karoly Baba | Istvan Bagi

Published in Iberus, in 1997, in volume 15, pages 83-93

Created: 2014-01-12, modified: 2014-01-12