"Eau Épuration Filtration." . . "Technical Association of the Pulp and Paper Industry. Environmental Quality Division, Water Quality Committee." . . "Aigua Depuració." . . "Paper Indústria i comerç Aspectes ambientals." . . . . "Eau Épuration." . . "Papier Industrie et commerce." . . . . . . . . . . . . "Water supply and treatment a project of the water quality committee of the TAPPI environmental division" . . . . . . "Water supply and treatment" . . "Water supply and treatment"@en . . . "Water supply and treatment : a project of the Water Quality Committee of the TAPPI Environmental Division" . . . . . "Aigua Abastament." . .