2002DIN EN 772-6:2002-02 Methods of test for masonry units - Part 6: Determination of bending tensile strength of aggregate concrete masonry units; German version EN 772-6:2001
2002DIN EN 772-6:2002 Methods of test for masonry units - Part 6: Determination of bending tensile strength of aggregate concrete masonry units; German version EN 772-6:2001
1970DIN EN 772-6 E:1992-09 Methods of test for masonry units - Part 6: Determination of bending tensile strength of aggregate concrete masonry units