Published in Bulletin du Muséum National d’Histoire Naturelle Section B,Adansonia, botanique, phytochimie, in 1984, in volume 6, issue 3, pages 375-378
Published in Bulletin du Muséum National d'Histoire Naturelle Section B,Adansonia, botanique, phytochimie, in 1994, in volume 16, issue 2-4, pages 235-311