"Eaux d'égoûts Analyse." . . "Eaux usées Analyse." . . . . "Eau Analyse." . . . "Dictionary of the National Water Quality Data Bank (NAQUADAT)" . . . . . "Dictionnaires" . . . . . "Dictionary of the National Water Quality Data Bank. (Naquadat)" . "Dictionary of the National Water Quality Data Bank (Naquadat)" . . . "Dictionary of the national water quality data bank. (NAQUADAT)" . . . . . "Publications officielles" . . . .