@article{CTT100854766,
  author = {Koro Yagi and Kazuki Mori and Osamu Odawara and Hiroyuki Wada},
  title = {Preparation of spherical upconversion nanoparticles NaYF4:Yb,Er by laser ablation in liquid and optical properties},
  journal = {the Journal of Laser Applications},
  year = 2020,
}