TY - JOUR T1 - Mr. Newtons Letter of April 13. 1672. st. v. Written to the Publisher, Being an Answer to the Fore-Going Letter of P. Pardies JF - Philosophical Transactions (1665-1678) VL - 7 SP - 4091 EP - 4093 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1672.0030 M3 - doi:10.1098/rstl.1672.0030 AU - Newton, J. ER -