необходим материал:
H. Reumuth, Glasers Ann., {Contributions to basic research on accumulation, adhesion, and cleaning of dirt of lacquered outer surfaces of rail vehicles: Parts 1, 2 and 3. (in German) 85 (7) (1961) 221–235; 86 (3) (1962) 7–80; 86 (9) (1962) 365–378.} Wear. Volume 8, Issue 4, 1965, Page 330.
- DOI:
http://dx.doi.org/10.1016/0043-1648(65)90095-5
С уважением,
Борис