Physica E: Low-dimensional Systems and Nanostructures
Physica E: Low-dimensional Systems and Nanostructures > 2003 > 16 > 1 > 83-89
Physica E: Low-dimensional Systems and Nanostructures > 2003 > 16 > 1 > 76-82
Physica E: Low-dimensional Systems and Nanostructures > 2003 > 16 > 2 > 209-213