[4] Pasquini C,Cortez J ,Silva L M C,et al. Laser induced breakdown spectroscopy[J]. Journal of the Brazilian Chemical Society,2007,18(3):463-512.
[6] Yamamotok K Y,Cremers D A,Foster L E,et al. Laserinduced breakdown spectroscopy analysis of solids using a long pulse(150ns) Q-switched Nd:YAG laser[J]. Applied Spectroscopy,2005,59(9):1082-1097.