2006年6月28日至7月4日,在德国图宾根大学举办的“四川盆地古代盐业的比较研究”国际学术研讨会,是由图宾根大学汉学、韩学研究所的傅汉思(Hans Ulrich Vogel)教授,史前史、上古史及中古考古研究所的Manfred K.H.Eggert教授,美国加州大学洛杉矶分校Cotsen考古研究所的罗泰(Loth From June 28 to July 4, 2006, the International Symposium on “Comparative Studies of Ancient Salt in the Sichuan Basin” held by the University of Tuebingen in Germany was conducted by Fu Hansi (Department of Sinology and Korean Studies, University of Tuebingen) Hans Ulrich Vogel, Professor Manfred KHEggert, Prehistory, the Middle Ages, and the Institute of Archeology of the Middle Ages; Loth, Cotsen Archeology Institute, University of California, Los Angeles;