Verma, Shyam; Mishra, Ram; Tamarakar, Akhilesh; Tripathi, Brajendra; Srivastava, Arvind; Tripathi, Rama Journal of Carbohydrate Chemistry, 2004, vol. 23, # 8-9 p. 493 - 511 doi: 10.1081/CAR-200046779