Relevance of sweet sorghum as an alternative bioethanol feedstock in India - a retrospective analysis - Rao, P.S.; Reddy, B.V.S.; Thakur, R.P.; Sharma, H.C.; Basavaraj, G.; Rao, P.P.; Reddy, C.R.; Kumar, A.A.; Blümmel, Michael; Sharma, K.K. (2010)