TY - JOUR T1 - Observations on Aurorae Boreales in Sweden: In a Letter to Mr. Benjamin Wilson, F. R. S. from Mr. Thorbern Bergman, of Upsal JF - Philosophical Transactions (1683-1775) VL - 52 SP - 479 EP - 486 PY - 1761/01/01/ UR - http://dx.doi.org/10.1098/rstl.1761.0078 M3 - doi:10.1098/rstl.1761.0078 AU - Bergman, T. ER -