TY - JOUR T1 - A Letter from Mr Anthony Van Leeuwenhoek, F. R. S. concerning the Figures of the Salts of Crystal JF - Philosophical Transactions (1683-1775) VL - 24 SP - 1906 EP - 1917 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1704.0069 M3 - doi:10.1098/rstl.1704.0069 AU - van Leeuwenhoek, A. ER -