Bundle versus network conductivity of carbon nanotubes separated by type Hajnalka M. Tóháti, Áron Pekker, Bálint Á. Pataki, Zsolt Szekrényes and Katalin Kamarás Eur. Phys. J. B, 87 6 (2014) 126 Published online: 09 June 2014 DOI: 10.1140/epjb/e2014-41103-9