The interaction of a gold atom with carbon nanohorn and carbon nanotube tips and their complexes with a CO molecule: A first principle calculationP. Khongpracha, M. Probst and J. LimtrakulEur. Phys. J. D, 48 2 (2008) 211-219DOI: https://doi.org/10.1140/epjd/e2008-00081-7