NAS, 1983. National Academy of Science Document reference NAS, 1983. Firewood crops: shrub and tree species for energy production, Volume 2. National Academy of ScienceWeb http://books.google.fr/books/download/Firewood_crops.pdf?id=M0ErAAAAYAAJCitation key NAS, 1983Datasheets Lebbek (Albizia lebbeck)Sesban (Sesbania sesban)
