Advances in Geotechnical Engineering with Emphasis on Dams, Highway Materials, and Soil Improvement : Proceedings of Geo Jordan Conference 2004 (GPP 1). Irbid, Jordánsko, 12.-15.7.2004. ASCE, 2004. Dostupné na internete: <http://ascelibrary.org/proceedings/resource/2/ascecp/143/40735> V*