Influence of Linear Alkylbenzene Sulfonate (LAS) as Organic Cosolvent on Leaching Behaviour of PCDD/Fs from Fly Ash and Soil Publication Attachment: 95-325.pdf Authors: Schramm, K-W, Wu, WZ, Henkelmann, B, Merk, M, Xu, Y, Zhang, YY, Kettrup, A Year: 1995