TY  - JOUR
T1  - An Account of the Cause of the Change of the Variation of the Magnetical Needle; With an Hypothesis of the Structure of the Internal Parts of the Earth: As It Was Proposed to the Royal Society in One of Their Late Meetings. By Edm. Halley
JF  - Philosophical Transactions (1683-1775)
VL  - 16
SP  - 563
EP  - 578
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1686.0107
M3  - doi:10.1098/rstl.1686.0107
AU  - Halley, E.
ER  -