?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.resconrec.2006.01.006&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Villalba%2C+G.&rft.aulast=Villalba&rft.aufirst=G.&rft.issue=3&rft.volume=48&rft.date=September+2006&rft.issn=0921-3449&rft.atitle=A+proposal+for+emission+calculations+for+chemical+processes%2C+Part+I&rft.title=Resources%2C+Conservation+and+Recycling&rft.pages=280-299&rft.genre=article