Golovchenko, V. V.; Bushneva, O. A.; Ovodova, R. G.; Shashkov, A. S.; Chizhov, A. O.; Ovodov, Yu. S. (2007). "Structural study of bergenan, a pectin from Bergenia crassifolia". Russian Journal of Bioorganic Chemistry. 33 (1): 47–56. doi:10.1134/S1068162007010050. PMID17375659. S2CID21358343.
Golovchenko, V. V.; Bushneva, O. A.; Ovodova, R. G.; Shashkov, A. S.; Chizhov, A. O.; Ovodov, Yu. S. (2007). "Structural study of bergenan, a pectin from Bergenia crassifolia". Russian Journal of Bioorganic Chemistry. 33 (1): 47–56. doi:10.1134/S1068162007010050. PMID17375659. S2CID21358343.
Golovchenko, V. V.; Bushneva, O. A.; Ovodova, R. G.; Shashkov, A. S.; Chizhov, A. O.; Ovodov, Yu. S. (2007). "Structural study of bergenan, a pectin from Bergenia crassifolia". Russian Journal of Bioorganic Chemistry. 33 (1): 47–56. doi:10.1134/S1068162007010050. PMID17375659. S2CID21358343.