Source: https://www.researchgate.net/profile/Aboulghit-El-Malki-Alaoui/publication/30518340_Influence_du_chargement_sur_la_propagation_en_fatigue_de_fissures_courtes_dans_un_acier_de_construction_navale/links/540471960cf23d9765a6328f/Influence-du-chargement-sur-la-propagation-en-fatigue-de-fissures-courtes-dans-un-acier-de-construction-navale.pdf