Gauzy, Laurence; Le Merrer, Yves; Depezay, Jean-Claude; Damour-Barbalat, Dominique; Mignani, Serge Tetrahedron Letters, 1999, vol. 40, # 19 p. 3705 - 3708 doi: 10.1016/S0040-4039(99)00593-6