TY  - JOUR
T1  - On the Comparison of Hyperbolic Arcs. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 9
SP  - 708
EP  - 710
PY  - 1857/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1857.0145
M3  - doi:10.1098/rspl.1857.0145
AU  - Merrifield, C.
ER  -