Pratsch, Gerald; Wallaschkowski, Tina; Heinrich, Markus R. Chemistry--A European Journal, 2012 , vol. 18, # 37 p. 11555 - 11559,5 Pratsch, Gerald; Wallaschkowski, Tina; Heinrich, Markus R. Chemistry - A European Journal, 2012 , vol. 18, # 37 p. 11555 - 11559