41
Published 2017
ISO Copyright Office

43
Published 2016
International Organization for Standardization

44
Published 2016
ISO Copyright Office

45
Published 2016
ISO Copyright Office

47
Published 1992
Deutsches Institut für Normung e.V.

48
Published 2016
Deutsches Institut für Normung e.V.

54
Published 2015
ISO Copyright Office

55
Published 2015
ISO Copyright Office

59
Published 2014
ISO Copyright Office

60
Published 2014
International Organization for Standardization