AbstractGet full access to this articleView all access options for this article.Get accessReferences1.Danish Standards (DS) (2013): http://web-shop.ds.dk/catalog/documents/M278012attachPV.pdf 2.An authorised preview can be found at: http://webshop.ds.dk/product/M278012/ds-30772013.aspx 3. Esbensen K.H. Minkkinen P. (Eds), “Special Issue: 50 years of Pierre Gy's Theory of Sampling. Proceedings: First World Conference on Sampling and Blending (WCSB1). Tutorials on Sampling: Theory and Practise”, Chemometr. Intell. Lab. 74(1), 1–236 (2004).