Published in Bulletin du Muséum National d’Histoire Naturelle Section B,Adansonia, botanique, phytochimie, in 1993, in volume 15, issue 1-4, pages 153-154
Published in Atti Della Societa Italiana Di Scienze Naturali E Del Museo Civico Di Storia Naturale In Milano, in 2002, in volume 143, issue 1, pages 121-129
Published in Bulletin du Muséum National d’Histoire Naturelle Section B,Adansonia, botanique, phytochimie, in 1996, in volume 18, issue 3-4, pages 357-360