Berger, Christian; Dieterich, Stefan; Dilger, Ulrich; Geuenich, Daniel; Helios, Heike; Herges, Rainer; Kirchmer, Peter; Roettele, Herbert; Schroeder, Gerhard
Angewandte Chemie - International Edition, 1998 , vol. 37, # 13-14 p. 1854 - 1857