TY - JOUR T1 - Observations upon the Vessels in Several Sorts of Wood, and upon the Muscular Fibres of Different Animals. By the Same Curious and Inquisitive Person JF - Philosophical Transactions (1683-1775) VL - 31 SP - 134 EP - 141 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1720.0034 M3 - doi:10.1098/rstl.1720.0034 AU - Leeuwenhoek, M. ER -