@article{p.villalta2005vitro,
  title={In vitro occlusal wear of restorative materials on primary teeth },
  author={p.villalta,c.r.m.d. rodrigues},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={29},
  number={3},
  pages={221--224},
  doi = {10.17796/jcpd.29.3.32681824784r10p4},
  year={2005}
}