Literaturrecherche

Literatur Schwarz KU, Greef JM (1996) Perennial rhizomatous grasses. In: Murphy D, Bramm A, Walker KC (eds) Energy from crops. Cambridge: Semundo Limited, pp 175-220

Literatur Murphy D, Helal M (1996) Farming for energy - agronomic principles and environmental impacts. In: Murphy D, Bramm A, Walker KC (eds) Energy from crops. Cambridge: Semundo Limited, pp 41-110