TY - JOUR T1 - Astronomical Observations Made at Swetzingen, in the Years 1767 and 1768; Extracted from Several Letters Written to Charles Morton, M. D. Sec. R. S. and One to the Late Earl of Morton. By Father Christian Mayer, F. R. S. Astronomer to the Elector Palatine JF - Philosophical Transactions (1683-1775) VL - 58 SP - 345 EP - 354 PY - 1768/01/01/ UR - http://dx.doi.org/10.1098/rstl.1768.0046 M3 - doi:10.1098/rstl.1768.0046 AU - Mayer, C. ER -