TY  - JOUR
T1  - On a Simple Geometrical Construction, Giving a Very Approximate Quadrature of the Circle
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 7
SP  - 379
EP  - 379
PY  - 1854/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1854.0090
M3  - doi:10.1098/rspl.1854.0090
AU  - Willich, C.
ER  -