title: Comment on "paired gap states in a semiconducting carbon nanotube: deep and shallow levels".
authors.affiliation: Laboratory of Physics P.O. Box 1100, FI-02015 Helsinki University of Technology, Finland.
authors.forename: A V
authors.initials: AV
authors.lastname: Krasheninnikov
authors.forename: A S
authors.initials: AS
authors.lastname: Foster
authors.forename: R M
authors.initials: RM
authors.lastname: Nieminen