5He YZ, Milford A, Yusuf A, et al. 1996. Yellow nut - sedge (C)perus esculentus L. ) tuber oil as a fuel. Industrial Crops and Products, 23(5) : 177 ~ 181.
7Nan L, Liang ZC, Wan RX, et al. 1984. Use of yellow nut - sedge oil as a substitute for diesel fuel. American Society of Agricultural Engineers, 84(3) : 108.
8David JP, John HF. 2005. The biology and agronomy of switchgrass for biofuels. Critical Reviews in Plant Sciences,24 (5/6) : 423 ~ 459.
9Sharma N. 2003. Switchgrass ( Pan.icurn virgatum L. ) cultivars. Energy Conversion and Management , 44 (18) : 2953 -2958.
