Ellermann, Manuel; Paulini, Ralph; Jakob-Roetne, Roland; Lerner, Christian; Borroni, Edilio; Roth, Doris; Ehler, Andreas; Schweizer, W. Bernd; Schlatter, Daniel; Rudolph, Markus G.; Diederich, Francois Chemistry - A European Journal, 2011, vol. 17, # 23 p. 6369 - 6381 doi: 10.1002/chem.201003648