Epuration électrochimique des eaux usées de forage contenant du pétrole - Electrochemical purification of waste drilling water containing oil Shipov, V.A.; Shemetov, V.Y.U. Neftanoe Hozjajstvo (11): 43-46 1984 0028-2448 https://eurekamag.com/research/075/262/075262285.php