2009DIN EN 13754:2009-07 Products used for treatment of water intended for human consumption - Bentonite; German version EN 13754:2009
2009DIN EN 13754:2009 Products used for treatment of water intended for human consumption - Bentonite; English version of DIN EN 13754:2009-07
2008DIN EN 13754 E:2008 Draft Document - Products used for treatment of water intended for human consumption - Bentonite; German version prEN 13754:2008