Brettle, Roger; Mosedale, Alan J.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1988 , p. 2185 - 2196

Li, Xun; Wang, Jun-Yan; Yu, Wei; Wu, Long-Min Tetrahedron, 2009 ,  vol. 65,  # 6  p. 1140 - 1146

Brettle, Roger; Mosedale, Alan J. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1988 , p. 2185 - 2196