@article{article, title  = {{Linear and nonlinear normal interface stiffness in dry rough surface contact measured using longitudinal ultrasonic waves}},

 publisher = {{MDPI AG}},

 url = {{}},

 year = {{2021}},

 month = {{6}},

 author = {{Taghizadeh S and Dwyer-Joyce RS}},

 doi = {{10.3390/app11125720}},

 volume = {{11}},

 journal = {{Applied Sciences}},

 issue = {{12}},

 note = {{Accessed on 2025/11/09}}}