Encyclopedia of Tribology - C. Kajdas, E. Wilusz, S. Harvey - Google Books

https://books.google.de/books?id=6qc3g3hUqusC&pg=PA207#v=onepage

The multidisciplinary nature of tribology, the conflicting theories and approaches to it found in the literature, plus the fact that definitions of the same phenomenon often differ widely, prompted the authors to compile this work. The aim of this…