1
Published 2013
Deutsches Institut für Normung e.V.

4
Published 2014
Deutsches Institut für Normung e.V.

5
Published 1998
Deutsches Institut für Normung e.V.

6
Published 1986
Deutsches Institut für Normung e.V.

7
Published 1986
ISO Copyright Office

9
Published 2018
Deutsches Institut für Normung e.V.

10
Published 2017
ISO Copyright Office

11
Published 2018
International Organization for Standardization

12
Published 2017
ISO Copyright Office

13
Published 2018
International Organization for Standardization

14
Published 2017
ISO Copyright Office

15
Published 2018
International Organization for Standardization