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J. A. Greenwood and J. B. P. Williamson (1966-12-06). "Contact of Nominally Flat Surfaces". Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences. 295 (1442): 300–319. Bibcode:1966RSPSA.295..300G. doi:10.1098/rspa.1966.0242. S2CID137430238.
hupi.org
Schmidt, Theo (2019-12-21). "Stribeck Curves"(PDF). Human Power eJournal. 11 (27).
J. A. Greenwood and J. B. P. Williamson (1966-12-06). "Contact of Nominally Flat Surfaces". Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences. 295 (1442): 300–319. Bibcode:1966RSPSA.295..300G. doi:10.1098/rspa.1966.0242. S2CID137430238.