Gruetzmacher, Hansjoerg; Geier, Jens; Stein, Daniel; Ott, Timo; Schoenberg, Hartmut; Sommerlade, Reinhard H.; Boulmaaz, Souad; Wolf, Jean-Pierre; Murer, Peter; Ulrich, Thomas Chimia, 2008 , vol. 62, # 1-2 p. 18 - 22