NAS, 1980. NAS, Washington D.C., USA Document reference NAS, 1980. Firewood crops: Shrub and tree species for energy production. NAS, Washington D.C., USAWeb http://books.google.fr/booksCitation key NAS, 1980Datasheets Lebbek (Albizia lebbeck)Manila tamarind (Pithecellobium dulce)Mesquite (Prosopis juliflora)Prickly sesban (Sesbania bispinosa)Sesban (Sesbania sesban)Shittimwood (Acacia seyal)