Davies, Stephen G.; Nicholson, Rebecca L.; Smith, Andrew D.
Organic and Biomolecular Chemistry, 2005 , vol. 3, # 2 p. 348 - 359

Ito, Hiroshi; Eby, Ronald; Kramer, Steven; Schuerch, Conrad
Carbohydrate Research, 1980 , vol. 86, p. 193 - 202