TY  - JOUR
T1  - An Attempt to Explain a Difficulty in the Theory of Vision, Depending on the Different Refrangibility of Light. By the Rev. Nevil Maskelyne, D. D. F. R. S. and Astronomer Royal
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 79
SP  - 256
EP  - 264
PY  - 1789/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1789.0022
M3  - doi:10.1098/rstl.1789.0022
AU  - Maskelyne, N.
ER  -