@article{Niraula:131876,
      author        = "Niraula, Gopal and Toneto, Denilson and Goya, Gerardo F.
                       and Zoppellaro, Giorgio and Coaquira, Jose A. H. and
                       Muraca, Diego and Denardin, Juliano C. and Almeida, Trevor
                       P. and Knobel, Marcelo and Ayesh, Ahmad I. and Sharma,
                       Surender K.",
      title         = "{Observation of magnetic vortex configuration in
                       non-stoichiometric Fe3O4 nanospheres}",
      year          = "2023",
}