The third International Conference on “Measurement of Hardness in Theory and Practice”

@article{Varnello1959TheTI,
  title={The third International Conference on “Measurement of Hardness in Theory and Practice”},
  author={V. V. Varnello and N. P. Slavina},
  journal={Measurement Techniques},
  year={1959},
  volume={2},
  pages={916-917}
}