6Inoue N, Goto Y, Sugiyama T. Infrare Absorption From Low Carbon Concentration, Low Dose, Annealed CZ Silicon[J]. Solid State Phenomena, 2008(131-133):207.
7Menon E S K, Fox A G. Detection,Distribution and Quantification of Carbon in Steel Microstructures by PEELS [J]. Microscopy and Microanalysis, 2002,8 : 392.