Electronic structure of aligned carbon nanotubes studied by scanning photoelectron microscopy I.-H. Hong, J.W. Chiou, S.-C. Wang, R. Klauser, W.F. Pong, L.C. Chen and T.J. Chuang J. Phys. IV France, 104 (2003) 467-470 DOI: 10.1051/jp4:20030124