1. www.fao.org, 2002.
2. Int Sugar J 1932; 482:240.
3. Atchison JE. 14th Congress of the International Society of Sugarcane Technology, 1971. p. 1851.
4. Atchison JE. 14th Congress of the International Society of Sugarcane Technology, 1971. p. 1189.
5. Doss KSG, Jain NS. J Sci Ind Res 1945–46, p. 393.