TY  - JOUR
T1  - The Testing of Plane Surfaces
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 86
IS  - 586
SP  - 227
EP  - 234
PY  - 1912/02/28/
UR  - http://dx.doi.org/10.1098/rspa.1912.0015
M3  - doi:10.1098/rspa.1912.0015
AU  - Shaw, P.
ER  -