?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Bulant%2C+Petr&rft.aulast=Bulant&rft.aufirst=Petr&rft.date=January+2009&rft.title=Smooth+velocity+models+for+monitoring+of+hydraulic+fracturing+experiments&rft.genre=proceeding