Article not found

I tried downloading this paper[]( from scihub…but it shows the article is not found. I tried using my college access, but it’s outside my organization’s subscription seems. Can anyone help me download this paper? It would be of great help. 

Categorized as Open Access

ISO 8601-2:2019 ….

I try to find the ISO 8601-2:2019 but i can’t find anywhere … do you have a link ?