Trippe, Gaelle; Ocafrain, Maitena; Besbes, Mohamed; Monroche, Vincent; Lyskawa, Joel; Le Derf, Franck; Salle, Marc; Becher, Jan; Colonna, Barbara; Echegoyen, Luis New Journal of Chemistry, 2002 , vol. 26, # 10 p. 1320 - 1323