Efficient weakly supervised LIBS feature selection method in quantitative analysis of iron ore slurry Chen, Tong ; Sun, Lanxiang ; Yu, Haibin ; Qi, Lifeng ; Shang, Dong ; Xie, Yuanming Abstract Publication: Applied Optics Pub Date: March 2022 DOI: 10.1364/AO.441098 Bibcode: 2022ApOpt..61D..22C