Nowell, D., & Hills, D. (1989). HERTZIAN CONTACT OF GROUND SURFACES.
Chicago-čujuhus (17. p.)Nowell, D., juo D. Hills. HERTZIAN CONTACT OF GROUND SURFACES. 1989.
MLA-čujuhus (9. p.)Nowell, D., juo D. Hills. HERTZIAN CONTACT OF GROUND SURFACES. 1989.
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