?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Pathmanathan&rft.au=Pathmanathan%2C+E.&rft.aufirst=E.&rft.issue=SPL+12&rft.volume=17&rft.issn=17265479&rft.atitle=Development+of+NOx+emission+model+using+particle+swarm+optimized+least-squared+SVR+(PSO-LSSVR)+hybrid+algorithm&rft.pages=98-109&rft.title=Sensors+and+Transducers&rft.date=2012&rft.genre=article