TY  - JOUR
T1  - On the Contact of Surfaces. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 20
SP  - 179
EP  - 180
PY  - 1871/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1871.0041
M3  - doi:10.1098/rspl.1871.0041
AU  - Spottiswoode, W.
ER  -