1. Vitamin C in tea;Anufriyev;Biokhim. Chain. Proiz. Ahad. Nauk SSSR,1940
2. On the role of alkaloid N-oxides in plants;Areshkina;Biokhimiya,1951
3. On the role of oxidase in the preparation of commercial tea;Aso;Bull, Coll. Agr. Imp. Univ. Tokyo,1901
4. Chem. Abstr.2, 894