TY - JOUR T1 - An Account of an Aurora Borealis Attended with Unusual Appearances, in a Letter from the Learned Mr. G. Cramer, Prof. Math. Genev. to James Jurin, M. D. and F. R. S. JF - Philosophical Transactions (1683-1775) VL - 36 SP - 279 EP - 282 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1729.0044 M3 - doi:10.1098/rstl.1729.0044 AU - Cramer, G. ER -