?url_ver=Z39.88-2004&rft_id=10.3390%2Fs21092926&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=B.W.&rft.au=Isah%2C+B.W.&rft.aulast=Isah&rft.title=Sensors&rft.date=2021&rft.volume=21&rft.issn=14248220&rft.issue=9&rft.atitle=Surface-mounted+bare+and+packaged+fiber+bragg+grating+sensors+for+measuring+rock+strain+in+uniaxial+testing&rft.genre=article