References
- Speranza , G. and Laidani , N. 2004 . Measurement of the relative abundance of sp2 and sp3 hybridised atoms in carbon based materials by XPS: a critical approach . Diam. Relat. Mater. , 13 : 445 – 450 .
- Parkhomenko , Yu. N. , Skryleva , E. A. , Serebryanaya , N. R. , Blank , V. D. , Buga , S. G. , Dubitsky , G. A. and Kulniskiy , B. A. 2002 . “ Carbon bonds hybridization in fullerites studied by XPS. Nanotechnologies in the area of physics, chemistry and biotechnology ” . In Fifth ISTC SAC Seminar Proc , 333 – 336 . St Petersburg : Ioffe Institute .