https://123dok.net/document/q05kp0xy-etude-de-la-reactivite-et-l-efficacite-de-retention-des-elements-traces-metalliques-dans-les-stations-d-epuration-de-bordeaux-et-leurs-apports-metalliques-dans-les-eaux-de-la-section-garonnaise-de-l-estuaire-de-la-gironde.html