@article{Miranda2012Sketch,
  author = {Miranda, José Carlos and Alvarez, Xenxo and Orvalho, João and Gutierrez, Diego and Sousa, A. Augusto and Orvalho, Verónica},
  title = {Sketch Express: A Sketching Interface for Facial Animation},
  journal = {Computers & Graphics},
  year = {2012},
}