@misc{misc507a8a50,
title   = {Low bias negative differential resistance in graphene nanoribbon superlattices},
author = {Ferreira, Gerson J. and Leuenberger, Michael N. and Loss, Daniel and Egues, José Carlos},
year = {2011},
publisher = {American Physical Society - APS},
booktitle   = {APS March Meeting}
}