?url_ver=Z39.88-2004&rft_id=10.2523%2Fiptc-16959-ms&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Wardaya&rft.au=Wardaya%2C+P.D.&rft.aufirst=P.D.&rft.isbn=9781627481762&rft.date=2013&rft.title=Integrating+digital+image+processing+and+artificial+neural+network+for+estimating+porosity+from+thin+section&rft.genre=proceeding