Herdeis, Claus; Mohareb, Rafat M.; Neder, Reinhard B.; Schwabenlaender, Franz; Telser, Joachim Tetrahedron Asymmetry, 1999, vol. 10, # 23 p. 4521 - 4537 doi: 10.1016/S0957-4166(99)00466-8