Benneche, Tore; Strande, Per; Undheim, Kjell
Acta Chemica Scandinavica, Series B: Organic Chemistry and Biochemistry, 1987 , vol. 41, p. 448 - 454

Moeller, Bjoerg Siw; Falck-Pedersen, Mette lene; Benneche, Tore; Undheim, Kjell
Acta Chemica Scandinavica, 1992 , vol. 46, # 12 p. 1219 - 1222