?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.energy.2018.06.051&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=F.&rft.aulast=Safiyullah&rft.au=Safiyullah%2C+F.&rft.date=2018&rft.title=Energy&rft.pages=485-494&rft.atitle=Prediction+on+performance+degradation+and+maintenance+of+centrifugal+gas+compressors+using+genetic+programming&rft.volume=158&rft.issn=03605442&rft.genre=article