Source: https://www.researchgate.net/profile/Paul_Etienne_Montandon/publication/277015282_La_chloration_une_solution_encore_inegalee_-_application_sur_trois_reseaux_du_canton_de_Neuchatel/links/555eeb9608ae8c0cab2c8536/La-chloration-une-solution-encore-inegalee-application-sur-trois-reseaux-du-canton-de-Neuchatel.pdf