TY - JOUR T1 - Some Observations Concerning the Comet, That Hath Lately Appear'd in Forain Parts, Communicated from Italy and Portugal JF - Philosophical Transactions (1665-1678) VL - 3 SP - 683 EP - 684 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1668.0016 M3 - doi:10.1098/rstl.1668.0016 AU - Cassini, G. ER -