?url_ver=Z39.88-2004&rft_id=10.1109%2FICIAS.2007.4658449&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Khairy%2C+H.&rft.aulast=Khairy&rft.aufirst=H.&rft.isbn=1424413559%3B+9781424413553&rft.title=Joint+inversion+of+porosity+for+establishing+velocity-conductivity+relationship+by+using+Levenberg-Marquardt+and+singular+value+decomposition&rft.date=2007&rft.genre=proceeding