?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Liu%2C+Xiaoyu&rft.aufirst=Xiaoyu&rft.aulast=Liu&rft.date=28+September+2024&rft.title=Introducing+Geophysics+at+the+British+Geological+Survey%2C+1920s-1950s&rft.tpages=337&rft.inst=UCL+(University+College+London)&rft.degree=Doctoral