@book {9783862008681, title = "30 Minuten Verhandeln", author = "Brandl, Peter", isbn = "9783862008681", year = "2013", edition = "1", keywords = "Kommunikation, Gesprächsführung, verhandeln, Verkauf, Verhandlung, Gesprächssteuerung", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783862008681", url = "https://content-select.com/de/portal/media/view/562a0160-e968-4ee5-96d4-191fb0dd2d03", publisher = "GABAL", language = "ger", }