He also proposed a now widely used system of preferred numbers that was later named after him and became international standard ISO 3.

Almost all locations the of the Group are certified to the international standard ISO 14001 for environmental management systems.

His system was adopted in 1952 as international standard ISO 3.

According to international standard ISO 8601 adopted in most western countries it is the third day of the week.

Document layout is formally defined in the international standard ISO 8613-1:1989.

The international standard ISO 8601 sets Saturday as the sixth day of the week.

The safety issues of battery electric vehicles are largely dealt with by the international standard ISO 6469.

A9, an international ISO 216 paper size standard (37x52 mm)

But according to international standard ISO 8601 it is the first day of the week.

To make your environmental claims more credible, you could follow the guidance in the international standard ISO 14021.