Source: https://www.researchgate.net/profile/Marcel-Boyer/publication/5004614_Partage_des_couts_et_tarification_des_infrastructures_-_Les_methodes_de_partage_de_couts_-_Un_survol/links/0912f50a22e2b3179e000000/Partage-des-couts-et-tarification-des-infrastructures-Les-methodes-de-partage-de-couts-Un-survol.pdf