Jansen et al., 2005. PROTA Document reference Jansen, P. C. M. ; Cardon, D., 2005. Dyes and tannins. PROTAWeb http://books.google.fr/books?id=dVBYe0SK1TwCCitation key Jansen et al., 2005Datasheets African birch (Anogeissus leiocarpa)
