Abdel-Salam, Z., M. Abdelhamid, S. M. Khalil, and M. A. Harith,
"LIBS new application: determination of metallic alloys surface hardness",
THE 7TH INTERNATIONAL CONFERENCE ON LASER APPLICATIONS—ICLA 2009, vol. 1172, no. 1: AIP Publishing, pp. 49–52, 2009.
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