V. . Poshyananda, J. Darayen, K. Tumkhanon, C. . Puncreobutr, A. . Khamkongkaeo, and B. Lohwongwatana, “Consideration of key process parameters for achieving robust and uniform cutting of Ti-6Al-4V sheet metal using fiber laser with nitrogen assisted gas”, J Met Mater Miner, vol. 28, no. 2, Jan. 2019.