?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=F&rft.aulast=Wu&rft.au=Wu%2C+F&rft.title=Mutation-based+genetic+improvement+of+software&rft.degree=Doctoral&rft.inst=UCL+(University+College+London)&rft.date=28+July+2017&rft.tpages=144