TY - JOUR T1 - A Narrative of Two Petrifications in Humane Bodies, Communicated by Mr. Christoph. Kirkby in a Letter from Dantzick, Dated April 8. 1671 JF - Philosophical Transactions (1665-1678) VL - 6 SP - 2158 EP - 2159 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1671.0017 M3 - doi:10.1098/rstl.1671.0017 AU - Kirkby, C. AU - Dantzick, . ER -