TY - JOUR T1 - Observations Made in Italy, Confirming the Former, and Withall Fixing the Period of the Revolution of Mars JF - Philosophical Transactions (1665-1678) VL - 1 SP - 242 EP - 245 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1665.0102 M3 - doi:10.1098/rstl.1665.0102 ER -