Berwe, Mathias; Joentgen, Winfried; Krueger, Jochen; Cancho-Grande, Yolanda; Lampe, Thomas; Michels, Martin; Paulsen, Holger; Raddatz, Siegfried; Weigand, Stefan Organic Process Research and Development, 2011 , vol. 15, # 6 p. 1348 - 1357