Bergman, Jan; Vallberg, Hans Acta Chemica Scandinavica, 1997 , vol. 51, # 6-7 p. 742 - 752 Title/Abstract View citing articles Show Details Bergman, Jan; Engqvist, Robert; Stalhandske, Claes; Wallberg, Hans Tetrahedron, 2003 , vol. 59, # 7 p. 1033 - 1048