Haider, Abul Fazal Mohammed Yusuf, et al. “Estimation of Prolonged Lifetimes of Excited States of Neutral Oxygen Atom (OI) by Time-Resolved Laser-Induced Breakdown Spectroscopy (TR-LIBS)”. Journal of Bangladesh Academy of Sciences, vol. 46, no. 2, Dec. 2022, pp. 175-83, doi:10.3329/jbas.v46i2.63416.