?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Rostron&rft.au=Rostron%2C+Peter+D&rft.aufirst=Peter+D&rft.date=1+January+2024&rft.atitle=Improved+coverage+factors+for+expanded+measurement+uncertainty+calculated+from+two+estimated+variance+components&rft.issn=0949-1775&rft.title=Accreditation+and+Quality+Assurance&rft.genre=article