@Article{AlHousseiny2013, author = {Talal T. Al-Housseiny and Howard A. Stone}, title = {Controlling viscous fingering in tapered Hele-Shaw cells}, journal = {Phys. Fluids}, year = {2013}, volume = {25}, number = {9}, pages = {092102}, doi = {10.1063/1.4819317}, publisher = {{AIP} Publishing} }