Source: https://www.researchgate.net/profile/Daniel_Bley/publication/50929788_Comment_la_recherche_contribue-t-elle_a_l'amelioration_de_la_LAV/links/5643753308ae54697fb2e96d/Comment-la-recherche-contribue-t-elle-a-lamelioration-de-la-LAV.pdf