Electronic transport for a crossed graphene nanoribbon junction with and without doping B. H. Zhou, W. H. Liao, B. L. Zhou, K.-Q. Chen and G. H. Zhou Eur. Phys. J. B, 76 3 (2010) 421-425 Published online: 17 June 2010 DOI: 10.1140/epjb/e2010-00181-7