2-Dimensional oxide electronic gases: Interfaces and surfacesM. Gabay, S. Gariglio, J.-M. Triscone and A.F. Santander-SyroEur. Phys. J. Special Topics, 222 5 (2013) 1177-1183DOI: https://doi.org/10.1140/epjst/e2013-01913-1