Adger, Brian; Bes, M. Teresa; Grogan, Gideon; McCague, Raymond; Pedragosa-Moreau, Sandrine; Roberts, Stanley M.; Villa, Raffaella; Wan, Peter W. H.; Willetts, Andrew J.
Bioorganic and Medicinal Chemistry, 1997 , vol. 5, # 2 p. 253 - 261

Bringmann, Gerhard; Herzberg, Daniela; Adam, Geo; Balkenhohl, Friedhelm; Paust, Joachim
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, 1999 , vol. 54, # 5 p. 655 - 661