Effenberger, Franz; Agster, Wolfgang; Fischer, Peter; Jogun, Kurt H.; Stezowski, John J.; et al.
Journal of Organic Chemistry, 1983 , vol. 48, # 24 p. 4649 - 4658

Boga, Carla; Del Vecchio, Erminia; Forlani, Luciano; Mazzanti, Andrea; Lario, Cira Menchen; Todesco, Paolo E.; Tozzi, Silvia
Journal of Organic Chemistry, 2009 , vol. 74, # 15 p. 5568 - 5575

Effenberger, Franz; Agster, Wolfgang; Fischer, Peter; Jogun, Kurt H.; Stezowski, John J.; et al.
Journal of Organic Chemistry, 1983 , vol. 48, # 24 p. 4649 - 4658